-; RUN: llc -mtriple=armv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s
-; RUN: llc -mtriple=thumbv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=armv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-LE --check-prefix=CHECK-ARM --check-prefix=CHECK-ARM-LE
+; RUN: llc -mtriple=armebv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-BE --check-prefix=CHECK-ARM --check-prefix=CHECK-ARM-BE
+; RUN: llc -mtriple=thumbv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-LE --check-prefix=CHECK-THUMB --check-prefix=CHECK-THUMB-LE
+; RUN: llc -mtriple=thumbebv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-BE --check-prefix=CHECK-THUMB --check-prefix=CHECK-THUMB-BE
@var8 = global i8 0
@var16 = global i16 0
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: add{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: add{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: add{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
ret i32 %old
}
-define i64 @test_atomic_load_add_i64(i64 %offset) nounwind {
+define void @test_atomic_load_add_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_add_i64:
%old = atomicrmw add i64* @var64, i64 %offset monotonic
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: adds [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: adc{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
+; CHECK-LE-NEXT: adds{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK-LE-NEXT: adc{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
+; CHECK-BE-NEXT: adds{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-NEXT: adc{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd r[[OLD1]], r[[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_sub_i8(i8 %offset) nounwind {
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: sub{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: sub{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: sub{{s?}} [[NEW:r[0-9]+]], r[[OLD]], r0
ret i32 %old
}
-define i64 @test_atomic_load_sub_i64(i64 %offset) nounwind {
+define void @test_atomic_load_sub_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_sub_i64:
%old = atomicrmw sub i64* @var64, i64 %offset seq_cst
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: subs [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: sbc{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
+; CHECK-LE-NEXT: subs{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK-LE-NEXT: sbc{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
+; CHECK-BE-NEXT: subs{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-NEXT: sbc{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
; CHECK-NEXT: stlexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd r[[OLD1]], r[[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_and_i8(i8 %offset) nounwind {
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: and{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: and{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: and{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
ret i32 %old
}
-define i64 @test_atomic_load_and_i64(i64 %offset) nounwind {
+define void @test_atomic_load_and_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_and_i64:
%old = atomicrmw and i64* @var64, i64 %offset acquire
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: and{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: and{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
-; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
+; CHECK-LE-DAG: and{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK-LE-DAG: and{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: and{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: and{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK: strexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd r[[OLD1]], r[[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_or_i8(i8 %offset) nounwind {
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: orr{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: orr{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: orr{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
ret i32 %old
}
-define i64 @test_atomic_load_or_i64(i64 %offset) nounwind {
+define void @test_atomic_load_or_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_or_i64:
%old = atomicrmw or i64* @var64, i64 %offset release
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: orr{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: orr{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
-; CHECK-NEXT: stlexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
+; CHECK-LE-DAG: orr{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK-LE-DAG: orr{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: orr{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: orr{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK: stlexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd r[[OLD1]], r[[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_xor_i8(i8 %offset) nounwind {
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: eor{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: eor{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: eor{{(\.w)?}} [[NEW:r[0-9]+]], r[[OLD]], r0
ret i32 %old
}
-define i64 @test_atomic_load_xor_i64(i64 %offset) nounwind {
+define void @test_atomic_load_xor_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_xor_i64:
%old = atomicrmw xor i64* @var64, i64 %offset monotonic
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: eor{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: eor{{(\.w)?}} [[NEW2:r[0-9]+]], r[[OLD2]], r1
-; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
+; CHECK-LE-DAG: eor{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK-LE-DAG: eor{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: eor{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; CHECK-BE-DAG: eor{{(\.w)?}} [[NEW1:r[0-9]+|lr]], r[[OLD1]], r0
+; CHECK: strexd [[STATUS:r[0-9]+]], [[NEW1]], [[NEW2]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd r[[OLD1]], r[[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_xchg_i8(i8 %offset) nounwind {
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r0, [r[[ADDR]]]
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: stlexh [[STATUS:r[0-9]+]], r0, [r[[ADDR]]]
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: stlex [[STATUS:r[0-9]+]], r0, [r[[ADDR]]]
ret i32 %old
}
-define i64 @test_atomic_load_xchg_i64(i64 %offset) nounwind {
+define void @test_atomic_load_xchg_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_xchg_i64:
%old = atomicrmw xchg i64* @var64, i64 %offset acquire
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd [[OLD1:r[0-9]+]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
-define i8 @test_atomic_load_min_i8(i8 %offset) nounwind {
+define i8 @test_atomic_load_min_i8(i8 signext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_min_i8:
%old = atomicrmw min i8* @var8, i8 %offset acquire
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
-; CHECK: movt r[[ADDR]], :upper16:var8
+; CHECK-DAG: movw [[ADDR:r[0-9]+|lr]], :lower16:var8
+; CHECK-DAG: movt [[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; CHECK-NEXT: sxtb r[[OLDX:[0-9]+]], r[[OLD]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLDX]], r0
-; Thumb mode: it ge
-; CHECK: movge r[[OLDX]], r0
-; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r[[OLDX]], [r[[ADDR]]]
+; Thumb mode: it le
+; CHECK: movle r[[OLDX]], r[[OLD]]
+; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r[[OLDX]], {{.*}}[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i8 %old
}
-define i16 @test_atomic_load_min_i16(i16 %offset) nounwind {
+define i16 @test_atomic_load_min_i16(i16 signext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_min_i16:
%old = atomicrmw min i16* @var16, i16 %offset release
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var16
-; CHECK: movt r[[ADDR]], :upper16:var16
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var16
+; CHECK: movt [[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; CHECK-NEXT: sxth r[[OLDX:[0-9]+]], r[[OLD]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLDX]], r0
-; Thumb mode: it ge
-; CHECK: movge r[[OLDX]], r0
-; CHECK-NEXT: stlexh [[STATUS:r[0-9]+]], r[[OLDX]], [r[[ADDR]]]
+; Thumb mode: it le
+; CHECK: movle r[[OLDX]], r[[OLD]]
+; CHECK-NEXT: stlexh [[STATUS:r[0-9]+]], r[[OLDX]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
-; Thumb mode: it lt
-; CHECK: movlt r[[NEW]], r[[OLD]]
+; Thumb mode: it le
+; CHECK: movle r[[NEW]], r[[OLD]]
; CHECK-NEXT: strex [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
ret i32 %old
}
-define i64 @test_atomic_load_min_i64(i64 %offset) nounwind {
+define void @test_atomic_load_min_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_min_i64:
%old = atomicrmw min i64* @var64, i64 %offset seq_cst
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd [[OLD1:r[0-9]+|lr]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: subs [[NEW:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: sbcs{{(\.w)?}} [[NEW]], r[[OLD2]], r1
-; CHECK-NEXT: blt .LBB{{[0-9]+}}_3
-; CHECK-NEXT: BB#2:
-; CHECK-NEXT: stlexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
+; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
+; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
+; CHECK-ARM-LE: cmp [[OLD1]], r0
+; CHECK-ARM-LE: movwls [[LOCARRY]], #1
+; CHECK-ARM-LE: cmp [[OLD2]], r1
+; CHECK-ARM-LE: movwle [[HICARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD2]], r1
+; CHECK-ARM-BE: movwls [[LOCARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD1]], r0
+; CHECK-ARM-BE: movwle [[HICARRY]], #1
+; CHECK-ARM: moveq [[HICARRY]], [[LOCARRY]]
+; CHECK-ARM: cmp [[HICARRY]], #0
+; CHECK-ARM: mov [[MINHI:r[0-9]+]], r1
+; CHECK-ARM: movne [[MINHI]], [[OLD2]]
+; CHECK-ARM: mov [[MINLO:r[0-9]+]], r0
+; CHECK-ARM: movne [[MINLO]], [[OLD1]]
+; CHECK-ARM: stlexd [[STATUS:r[0-9]+]], [[MINLO]], [[MINHI]], [r[[ADDR]]]
+; CHECK-THUMB: stlexd [[STATUS:r[0-9]+]], {{r[0-9]+}}, {{r[0-9]+}}, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK-ARM: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
-define i8 @test_atomic_load_max_i8(i8 %offset) nounwind {
+define i8 @test_atomic_load_max_i8(i8 signext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_max_i8:
%old = atomicrmw max i8* @var8, i8 %offset seq_cst
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
-; CHECK: movt r[[ADDR]], :upper16:var8
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var8
+; CHECK: movt [[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; CHECK-NEXT: sxtb r[[OLDX:[0-9]+]], r[[OLD]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLDX]], r0
-; Thumb mode: it le
-; CHECK: movle r[[OLDX]], r0
-; CHECK-NEXT: stlexb [[STATUS:r[0-9]+]], r[[OLDX]], [r[[ADDR]]]
+; Thumb mode: it gt
+; CHECK: movgt r[[OLDX]], r[[OLD]]
+; CHECK-NEXT: stlexb [[STATUS:r[0-9]+]], r[[OLDX]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i8 %old
}
-define i16 @test_atomic_load_max_i16(i16 %offset) nounwind {
+define i16 @test_atomic_load_max_i16(i16 signext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_max_i16:
%old = atomicrmw max i16* @var16, i16 %offset acquire
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; CHECK-NEXT: sxth r[[OLDX:[0-9]+]], r[[OLD]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLDX]], r0
-; Thumb mode: it le
-; CHECK: movle r[[OLDX]], r0
+; Thumb mode: it gt
+; CHECK: movgt r[[OLDX]], r[[OLD]]
; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[OLDX]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
ret i32 %old
}
-define i64 @test_atomic_load_max_i64(i64 %offset) nounwind {
+define void @test_atomic_load_max_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_max_i64:
%old = atomicrmw max i64* @var64, i64 %offset monotonic
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexd [[OLD1:r[0-9]+]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: subs [[NEW:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: sbcs{{(\.w)?}} [[NEW]], r[[OLD2]], r1
-; CHECK-NEXT: bge .LBB{{[0-9]+}}_3
-; CHECK-NEXT: BB#2:
-; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
+; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
+; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
+; CHECK-ARM-LE: cmp [[OLD1]], r0
+; CHECK-ARM-LE: movwhi [[LOCARRY]], #1
+; CHECK-ARM-LE: cmp [[OLD2]], r1
+; CHECK-ARM-LE: movwgt [[HICARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD2]], r1
+; CHECK-ARM-BE: movwhi [[LOCARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD1]], r0
+; CHECK-ARM-BE: movwgt [[HICARRY]], #1
+; CHECK-ARM: moveq [[HICARRY]], [[LOCARRY]]
+; CHECK-ARM: cmp [[HICARRY]], #0
+; CHECK-ARM: mov [[MINHI:r[0-9]+]], r1
+; CHECK-ARM: movne [[MINHI]], [[OLD2]]
+; CHECK-ARM: mov [[MINLO:r[0-9]+]], r0
+; CHECK-ARM: movne [[MINLO]], [[OLD1]]
+; CHECK-ARM: strexd [[STATUS:r[0-9]+]], [[MINLO]], [[MINHI]], [r[[ADDR]]]
+; CHECK-THUMB: strexd [[STATUS:r[0-9]+]], {{r[0-9]+}}, {{r[0-9]+}}, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK-ARM: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
-define i8 @test_atomic_load_umin_i8(i8 %offset) nounwind {
+define i8 @test_atomic_load_umin_i8(i8 zeroext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umin_i8:
%old = atomicrmw umin i8* @var8, i8 %offset monotonic
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
-; CHECK: movt r[[ADDR]], :upper16:var8
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var8
+; CHECK: movt [[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
-; Thumb mode: it lo
-; CHECK: movlo r[[NEW]], r[[OLD]]
-; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
+; Thumb mode: it ls
+; CHECK: movls r[[NEW]], r[[OLD]]
+; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i8 %old
}
-define i16 @test_atomic_load_umin_i16(i16 %offset) nounwind {
+define i16 @test_atomic_load_umin_i16(i16 zeroext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umin_i16:
%old = atomicrmw umin i16* @var16, i16 %offset acquire
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var16
-; CHECK: movt r[[ADDR]], :upper16:var16
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var16
+; CHECK: movt [[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexh r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
-; Thumb mode: it lo
-; CHECK: movlo r[[NEW]], r[[OLD]]
-; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
+; Thumb mode: it ls
+; CHECK: movls r[[NEW]], r[[OLD]]
+; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
-; Thumb mode: it lo
-; CHECK: movlo r[[NEW]], r[[OLD]]
+; Thumb mode: it ls
+; CHECK: movls r[[NEW]], r[[OLD]]
; CHECK-NEXT: stlex [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
ret i32 %old
}
-define i64 @test_atomic_load_umin_i64(i64 %offset) nounwind {
+define void @test_atomic_load_umin_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umin_i64:
- %old = atomicrmw umin i64* @var64, i64 %offset acq_rel
+ %old = atomicrmw umin i64* @var64, i64 %offset seq_cst
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var64
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd [[OLD1:r[0-9]+|lr]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: subs [[NEW:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: sbcs{{(\.w)?}} [[NEW]], r[[OLD2]], r1
-; CHECK-NEXT: blo .LBB{{[0-9]+}}_3
-; CHECK-NEXT: BB#2:
-; CHECK-NEXT: stlexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
+; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
+; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
+; CHECK-ARM-LE: cmp [[OLD1]], r0
+; CHECK-ARM-LE: movwls [[LOCARRY]], #1
+; CHECK-ARM-LE: cmp [[OLD2]], r1
+; CHECK-ARM-LE: movwls [[HICARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD2]], r1
+; CHECK-ARM-BE: movwls [[LOCARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD1]], r0
+; CHECK-ARM-BE: movwls [[HICARRY]], #1
+; CHECK-ARM: moveq [[HICARRY]], [[LOCARRY]]
+; CHECK-ARM: cmp [[HICARRY]], #0
+; CHECK-ARM: mov [[MINHI:r[0-9]+]], r1
+; CHECK-ARM: movne [[MINHI]], [[OLD2]]
+; CHECK-ARM: mov [[MINLO:r[0-9]+]], r0
+; CHECK-ARM: movne [[MINLO]], [[OLD1]]
+; CHECK-ARM: stlexd [[STATUS:r[0-9]+]], [[MINLO]], [[MINHI]], [r[[ADDR]]]
+; CHECK-THUMB: stlexd [[STATUS:r[0-9]+]], {{r[0-9]+}}, {{r[0-9]+}}, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK-ARM: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
-define i8 @test_atomic_load_umax_i8(i8 %offset) nounwind {
+define i8 @test_atomic_load_umax_i8(i8 zeroext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umax_i8:
%old = atomicrmw umax i8* @var8, i8 %offset acq_rel
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
-; CHECK: movt r[[ADDR]], :upper16:var8
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var8
+; CHECK: movt [[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
; Thumb mode: it hi
; CHECK: movhi r[[NEW]], r[[OLD]]
-; CHECK-NEXT: stlexb [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
+; CHECK-NEXT: stlexb [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i8 %old
}
-define i16 @test_atomic_load_umax_i16(i16 %offset) nounwind {
+define i16 @test_atomic_load_umax_i16(i16 zeroext %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umax_i16:
%old = atomicrmw umax i16* @var16, i16 %offset monotonic
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var16
-; CHECK: movt r[[ADDR]], :upper16:var16
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var16
+; CHECK: movt [[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrexh r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
; CHECK-NEXT: cmp r[[OLD]], r0
; Thumb mode: it hi
; CHECK: movhi r[[NEW]], r[[OLD]]
-; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[NEW]], [r[[ADDR]]]
+; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
ret i32 %old
}
-define i64 @test_atomic_load_umax_i64(i64 %offset) nounwind {
+define void @test_atomic_load_umax_i64(i64 %offset) nounwind {
; CHECK-LABEL: test_atomic_load_umax_i64:
- %old = atomicrmw umax i64* @var64, i64 %offset release
+ %old = atomicrmw umax i64* @var64, i64 %offset seq_cst
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var64
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd r[[OLD1:[0-9]+]], r[[OLD2:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexd [[OLD1:r[0-9]+|lr]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: subs [[NEW:r[0-9]+]], r[[OLD1]], r0
-; CHECK-NEXT: sbcs{{(\.w)?}} [[NEW]], r[[OLD2]], r1
-; CHECK-NEXT: bhs .LBB{{[0-9]+}}_3
-; CHECK-NEXT: BB#2:
-; CHECK-NEXT: stlexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
+; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
+; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
+; CHECK-ARM-LE: cmp [[OLD1]], r0
+; CHECK-ARM-LE: movwhi [[LOCARRY]], #1
+; CHECK-ARM-LE: cmp [[OLD2]], r1
+; CHECK-ARM-LE: movwhi [[HICARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD2]], r1
+; CHECK-ARM-BE: movwhi [[LOCARRY]], #1
+; CHECK-ARM-BE: cmp [[OLD1]], r0
+; CHECK-ARM-BE: movwhi [[HICARRY]], #1
+; CHECK-ARM: moveq [[HICARRY]], [[LOCARRY]]
+; CHECK-ARM: cmp [[HICARRY]], #0
+; CHECK-ARM: mov [[MINHI:r[0-9]+]], r1
+; CHECK-ARM: movne [[MINHI]], [[OLD2]]
+; CHECK-ARM: mov [[MINLO:r[0-9]+]], r0
+; CHECK-ARM: movne [[MINLO]], [[OLD1]]
+; CHECK-ARM: stlexd [[STATUS:r[0-9]+]], [[MINLO]], [[MINHI]], [r[[ADDR]]]
+; CHECK-THUMB: stlexd [[STATUS:r[0-9]+]], {{r[0-9]+}}, {{r[0-9]+}}, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD1]]
-; CHECK-NEXT: mov r1, r[[OLD2]]
- ret i64 %old
+; CHECK-ARM: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
-define i8 @test_atomic_cmpxchg_i8(i8 %wanted, i8 %new) nounwind {
+define i8 @test_atomic_cmpxchg_i8(i8 zeroext %wanted, i8 zeroext %new) nounwind {
; CHECK-LABEL: test_atomic_cmpxchg_i8:
- %old = cmpxchg i8* @var8, i8 %wanted, i8 %new acquire acquire
+ %pair = cmpxchg i8* @var8, i8 %wanted, i8 %new acquire acquire
+ %old = extractvalue { i8, i1 } %pair, 0
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
; CHECK: movt r[[ADDR]], :upper16:var8
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexb r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLD]], r0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r1 is a reasonable guess.
-; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r1, [r[[ADDR]]]
+; CHECK: strexb [[STATUS:r[0-9]+]], r1, {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i8 %old
}
-define i16 @test_atomic_cmpxchg_i16(i16 %wanted, i16 %new) nounwind {
+define i16 @test_atomic_cmpxchg_i16(i16 zeroext %wanted, i16 zeroext %new) nounwind {
; CHECK-LABEL: test_atomic_cmpxchg_i16:
- %old = cmpxchg i16* @var16, i16 %wanted, i16 %new seq_cst seq_cst
+ %pair = cmpxchg i16* @var16, i16 %wanted, i16 %new seq_cst seq_cst
+ %old = extractvalue { i16, i1 } %pair, 0
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var16
; CHECK: movt r[[ADDR]], :upper16:var16
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldaexh r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLD]], r0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r1 is a reasonable guess.
-; CHECK-NEXT: stlexh [[STATUS:r[0-9]+]], r1, [r[[ADDR]]]
+; CHECK: stlexh [[STATUS:r[0-9]+]], r1, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
ret i16 %old
}
-define i32 @test_atomic_cmpxchg_i32(i32 %wanted, i32 %new) nounwind {
+define void @test_atomic_cmpxchg_i32(i32 %wanted, i32 %new) nounwind {
; CHECK-LABEL: test_atomic_cmpxchg_i32:
- %old = cmpxchg i32* @var32, i32 %wanted, i32 %new release monotonic
+ %pair = cmpxchg i32* @var32, i32 %wanted, i32 %new release monotonic
+ %old = extractvalue { i32, i1 } %pair, 0
+ store i32 %old, i32* @var32
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var32
; CHECK: movt r[[ADDR]], :upper16:var32
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
+; CHECK: ldrex r[[OLD:[0-9]+]], [r[[ADDR]]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
; CHECK-NEXT: cmp r[[OLD]], r0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r1 is a reasonable guess.
-; CHECK-NEXT: stlex [[STATUS:r[0-9]+]], r1, [r[[ADDR]]]
+; CHECK: stlex [[STATUS:r[0-9]+]], r1, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD]]
- ret i32 %old
+; CHECK: str{{(.w)?}} r[[OLD]],
+ ret void
}
-define i64 @test_atomic_cmpxchg_i64(i64 %wanted, i64 %new) nounwind {
+define void @test_atomic_cmpxchg_i64(i64 %wanted, i64 %new) nounwind {
; CHECK-LABEL: test_atomic_cmpxchg_i64:
- %old = cmpxchg i64* @var64, i64 %wanted, i64 %new monotonic monotonic
+ %pair = cmpxchg i64* @var64, i64 %wanted, i64 %new monotonic monotonic
+ %old = extractvalue { i64, i1 } %pair, 0
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var64
; CHECK: movt r[[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
-; CHECK-NEXT: ldrexd [[OLD1:r[0-9]+|lr]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
+; CHECK: ldrexd [[OLD1:r[0-9]+|lr]], [[OLD2:r[0-9]+|lr]], [r[[ADDR]]]
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: cmp [[OLD1]], r0
-; Thumb mode: it eq
-; CHECK: cmpeq [[OLD2]], r1
+; CHECK-LE-DAG: eor{{(\.w)?}} [[MISMATCH_LO:r[0-9]+|lr]], [[OLD1]], r0
+; CHECK-LE-DAG: eor{{(\.w)?}} [[MISMATCH_HI:r[0-9]+|lr]], [[OLD2]], r1
+; CHECK-ARM-LE: orrs{{(\.w)?}} {{r[0-9]+}}, [[MISMATCH_LO]], [[MISMATCH_HI]]
+; CHECK-THUMB-LE: orrs{{(\.w)?}} {{(r[0-9]+, )?}}[[MISMATCH_HI]], [[MISMATCH_LO]]
+; CHECK-BE-DAG: eor{{(\.w)?}} [[MISMATCH_HI:r[0-9]+|lr]], [[OLD2]], r1
+; CHECK-BE-DAG: eor{{(\.w)?}} [[MISMATCH_LO:r[0-9]+|lr]], [[OLD1]], r0
+; CHECK-ARM-BE: orrs{{(\.w)?}} {{r[0-9]+}}, [[MISMATCH_HI]], [[MISMATCH_LO]]
+; CHECK-THUMB-BE: orrs{{(\.w)?}} {{(r[0-9]+, )?}}[[MISMATCH_LO]], [[MISMATCH_HI]]
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r2, r3 is a reasonable guess.
-; CHECK-NEXT: strexd [[STATUS:r[0-9]+]], r2, r3, [r[[ADDR]]]
+; CHECK: strexd [[STATUS:r[0-9]+]], r2, r3, [r[[ADDR]]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, [[OLD1]]
-; CHECK-NEXT: mov r1, [[OLD2]]
- ret i64 %old
+; CHECK-ARM: strd [[OLD1]], [[OLD2]], [r[[ADDR]]]
+ store i64 %old, i64* @var64
+ ret void
}
define i8 @test_atomic_load_monotonic_i8() nounwind {
; CHECK-LABEL: test_atomic_load_monotonic_i8:
- %val = load atomic i8* @var8 monotonic, align 1
+ %val = load atomic i8, i8* @var8 monotonic, align 1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
%addr_int = add i64 %base, %off
%addr = inttoptr i64 %addr_int to i8*
- %val = load atomic i8* %addr monotonic, align 1
+ %val = load atomic i8, i8* %addr monotonic, align 1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: ldrb r0, [r0, r2]
+; CHECK-LE: ldrb r0, [r0, r2]
+; CHECK-BE: ldrb r0, [r1, r3]
; CHECK-NOT: dmb
; CHECK-NOT: mcr
define i8 @test_atomic_load_acquire_i8() nounwind {
; CHECK-LABEL: test_atomic_load_acquire_i8:
- %val = load atomic i8* @var8 acquire, align 1
+ %val = load atomic i8, i8* @var8 acquire, align 1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
define i8 @test_atomic_load_seq_cst_i8() nounwind {
; CHECK-LABEL: test_atomic_load_seq_cst_i8:
- %val = load atomic i8* @var8 seq_cst, align 1
+ %val = load atomic i8, i8* @var8 seq_cst, align 1
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var8
define i16 @test_atomic_load_monotonic_i16() nounwind {
; CHECK-LABEL: test_atomic_load_monotonic_i16:
- %val = load atomic i16* @var16 monotonic, align 2
+ %val = load atomic i16, i16* @var16 monotonic, align 2
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var16
%addr_int = add i64 %base, %off
%addr = inttoptr i64 %addr_int to i32*
- %val = load atomic i32* %addr monotonic, align 4
+ %val = load atomic i32, i32* %addr monotonic, align 4
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: ldr r0, [r0, r2]
+; CHECK-LE: ldr r0, [r0, r2]
+; CHECK-BE: ldr r0, [r1, r3]
; CHECK-NOT: dmb
; CHECK-NOT: mcr
define i64 @test_atomic_load_seq_cst_i64() nounwind {
; CHECK-LABEL: test_atomic_load_seq_cst_i64:
- %val = load atomic i64* @var64 seq_cst, align 8
+ %val = load atomic i64, i64* @var64 seq_cst, align 8
; CHECK-NOT: dmb
; CHECK-NOT: mcr
; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var64
%addr = inttoptr i64 %addr_int to i8*
store atomic i8 %val, i8* %addr monotonic, align 1
-; CHECK: ldrb{{(\.w)?}} [[VAL:r[0-9]+]], [sp]
-; CHECK: strb [[VAL]], [r0, r2]
+; CHECK-LE: ldr{{b?(\.w)?}} [[VAL:r[0-9]+]], [sp]
+; CHECK-LE: strb [[VAL]], [r0, r2]
+; CHECK-BE: ldrb{{(\.w)?}} [[VAL:r[0-9]+]], [sp, #3]
+; CHECK-BE: strb [[VAL]], [r1, r3]
ret void
}
; CHECK: ldr [[VAL:r[0-9]+]], [sp]
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: str [[VAL]], [r0, r2]
+; CHECK-LE: str [[VAL]], [r0, r2]
+; CHECK-BE: str [[VAL]], [r1, r3]
; CHECK-NOT: dmb
; CHECK-NOT: mcr
store atomic i64 %val, i64* @var64 release, align 8
; CHECK-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: movw r[[ADDR:[0-9]+]], :lower16:var64
-; CHECK: movt r[[ADDR]], :upper16:var64
+; CHECK: movw [[ADDR:r[0-9]+|lr]], :lower16:var64
+; CHECK: movt [[ADDR]], :upper16:var64
; CHECK: .LBB{{[0-9]+}}_1:
; r0, r1 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK: stlexd [[STATUS:r[0-9]+]], r0, r1, [r[[ADDR]]]
+; CHECK: stlexd [[STATUS:r[0-9]+]], r0, r1, {{.*}}[[ADDR]]
; CHECK-NEXT: cmp [[STATUS]], #0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_1
; CHECK-NOT: dmb
; CHECK-LABEL: not.barriers:
br i1 %cond, label %atomic_ver, label %simple_ver
simple_ver:
- %oldval = load i32* %var
+ %oldval = load i32, i32* %var
%newval = add nsw i32 %oldval, -1
store i32 %newval, i32* %var
br label %somewhere
; The key point here is that the second dmb isn't immediately followed by the
; simple_ver basic block, which LLVM attempted to do when DMB had been marked
; with isBarrier. For now, look for something that looks like "somewhere".
-; CHECK-NEXT: mov
+; CHECK-NEXT: {{mov|bx}}
somewhere:
%combined = phi i32 [ %val, %atomic_ver ], [ %newval, %simple_ver]
ret i32 %combined
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