--- /dev/null
+; REQUIRES: asserts
+; RUN: llc -mtriple=thumbv7-none-linux-gnueabi -debug -o /dev/null < %s 2>&1 | FileCheck %s
+
+; This test makes sure spills of 64-bit pairs in Thumb mode actually
+; generate thumb instructions. Previously we were inserting an ARM
+; STMIA which happened to have the same encoding.
+
+define void @foo(i64* %addr) {
+ %val1 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val2 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val3 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val4 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val5 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val6 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+ %val7 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
+
+ ; Make sure we are actually creating the Thumb versions of the spill
+ ; instructions.
+; CHECK: t2STRDi8
+; CHECK: t2LDRDi8
+
+ store volatile i64 %val1, i64* %addr
+ store volatile i64 %val2, i64* %addr
+ store volatile i64 %val3, i64* %addr
+ store volatile i64 %val4, i64* %addr
+ store volatile i64 %val5, i64* %addr
+ store volatile i64 %val6, i64* %addr
+ store volatile i64 %val7, i64* %addr
+ ret void
+}
; RUN: llc -mtriple=armv7-none-linux-gnueabi -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-WITH-LDRD
; RUN: llc -mtriple=armv4-none-linux-gnueabi -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-WITHOUT-LDRD
; RUN: llc -mtriple=thumbv7-none-linux-gnueabi -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-WITH-LDRD
-; RUN: llc -mtriple=thumbv7-none-linux-gnueabi -debug -o /dev/null < %s 2>&1 | FileCheck %s --check-prefix=INSTRS-ARE-THUMB
define void @foo(i64* %addr) {
%val1 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [r0]", "=&r,r"(i64* %addr)
; CHECK-WITHOUT-LDRD: ldm [[ADDRREG]], {r{{[0-9]+}}, r{{[0-9]+}}}
; CHECK-WITHOUT-LDRD: ldm sp, {r{{[0-9]+}}, r{{[0-9]+}}}
- ; Make sure we are actually creating the Thumb versions of the spill
- ; instructions.
-; INSTRS-ARE-THUMB: t2STRDi8
-; INSTRS-ARE-THUMB: t2LDRDi8
-
store volatile i64 %val1, i64* %addr
store volatile i64 %val2, i64* %addr
store volatile i64 %val3, i64* %addr