-; RUN: llc -mtriple=armv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARM
-; RUN: llc -mtriple=thumbv8-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-THUMB
+; 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: 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{{(\.w)?}} [[NEW1:r[0-9]+|lr]], 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: 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{{(\.w)?}} [[NEW1:r[0-9]+|lr]], 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: 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-DAG: and{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-DAG: and{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; 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: 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-DAG: orr{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-DAG: orr{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; 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: 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-DAG: eor{{(\.w)?}} [[NEW1:r[0-9]+]], r[[OLD1]], r0
-; CHECK-DAG: eor{{(\.w)?}} [[NEW2:r[0-9]+|lr]], r[[OLD2]], r1
+; 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
; function there.
; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
-; CHECK-ARM: cmp [[OLD1]], r0
-; CHECK-ARM: movwls [[LOCARRY]], #1
-; CHECK-ARM: cmp [[OLD2]], r1
-; CHECK-ARM: movwle [[HICARRY]], #1
+; 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
; function there.
; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
-; CHECK-ARM: cmp [[OLD1]], r0
-; CHECK-ARM: movwhi [[LOCARRY]], #1
-; CHECK-ARM: cmp [[OLD2]], r1
-; CHECK-ARM: movwgt [[HICARRY]], #1
+; 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: ldrexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: uxtb r[[OLDX]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
+; CHECK-NEXT: cmp r[[OLD]], r0
; Thumb mode: it ls
; CHECK: movls r[[NEW]], r[[OLD]]
; CHECK-NEXT: strexb [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[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: uxth r[[OLDX]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; CHECK-NEXT: mov r[[NEW:[0-9]+]], r0
+; CHECK-NEXT: cmp r[[OLD]], r0
; Thumb mode: it ls
; CHECK: movls r[[NEW]], r[[OLD]]
; CHECK-NEXT: strexh [[STATUS:r[0-9]+]], r[[NEW]], {{.*}}[[ADDR]]
; function there.
; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
-; CHECK-ARM: cmp [[OLD1]], r0
-; CHECK-ARM: movwls [[LOCARRY]], #1
-; CHECK-ARM: cmp [[OLD2]], r1
-; CHECK-ARM: movwls [[HICARRY]], #1
+; 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: ldaexb r[[OLD:[0-9]+]], {{.*}}[[ADDR]]
; r0 below is a reasonable guess but could change: it certainly comes into the
; function there.
-; CHECK-NEXT: uxtb r[[OLDX:[0-9]+]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; 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]], {{.*}}[[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: uxth r[[OLDX:[0-9]+]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; 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]], {{.*}}[[ADDR]]
; function there.
; CHECK-ARM: mov [[LOCARRY:r[0-9]+|lr]], #0
; CHECK-ARM: mov [[HICARRY:r[0-9]+|lr]], #0
-; CHECK-ARM: cmp [[OLD1]], r0
-; CHECK-ARM: movwhi [[LOCARRY]], #1
-; CHECK-ARM: cmp [[OLD2]], r1
-; CHECK-ARM: movwhi [[HICARRY]], #1
+; 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
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: 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: uxtb r[[OLDX:[0-9]+]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; CHECK-NEXT: cmp r[[OLD]], r0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r1 is a reasonable guess.
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: 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: uxth r[[OLDX:[0-9]+]], r[[OLD]]
-; CHECK-NEXT: cmp r[[OLDX]], r0
+; CHECK-NEXT: cmp r[[OLD]], r0
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r1 is a reasonable guess.
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-NOT: dmb
; CHECK-NOT: mcr
-; CHECK: mov r0, r[[OLD]]
- ret i32 %old
+; CHECK: str{{(.w)?}} r[[OLD]],
+ ret void
}
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: 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-DAG: eor{{(\.w)?}} [[MISMATCH_LO:r[0-9]+|lr]], [[OLD1]], r0
-; CHECK-DAG: eor{{(\.w)?}} [[MISMATCH_HI:r[0-9]+|lr]], [[OLD2]], r1
-; CHECK: orrs{{(\.w)?}} {{r[0-9]+}}, [[MISMATCH_LO]], [[MISMATCH_HI]]
+; 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-LE: orrs{{(\.w)?}} {{r[0-9]+}}, [[MISMATCH_LO]], [[MISMATCH_HI]]
+; 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-BE: orrs{{(\.w)?}} {{r[0-9]+}}, [[MISMATCH_HI]], [[MISMATCH_LO]]
; CHECK-NEXT: bne .LBB{{[0-9]+}}_3
; CHECK-NEXT: BB#2:
; As above, r2, r3 is a reasonable guess.
%val = load atomic 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
%val = load atomic 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
%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: ldrb{{(\.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