diff --git a/test/CodeGen/Thumb/stack_guard_remat.ll b/test/CodeGen/Thumb/stack_guard_remat.ll new file mode 100644 index 00000000000..2bb690c06c7 --- /dev/null +++ b/test/CodeGen/Thumb/stack_guard_remat.ll @@ -0,0 +1,41 @@ +; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC +; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC + +;PIC: foo2 +;PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] +;PIC: [[LABEL1:LPC[0-9_]+]]: +;PIC: add [[R0]], pc +;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R0]]{{\]}} +;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R1]]{{\]}} + +;PIC: [[LABEL0]]: +;PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+4) + +;STATIC: foo2 +;STATIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] +;STATIC: ldr {{r[0-9]+}}, {{\[}}[[R0]]{{\]}} + +;STATIC: [[LABEL0]]: +;STATIC-NEXT: .long ___stack_chk_guard + +; Function Attrs: nounwind ssp +define i32 @test_stack_guard_remat() #0 { + %a1 = alloca [256 x i32], align 4 + %1 = bitcast [256 x i32]* %a1 to i8* + call void @llvm.lifetime.start(i64 1024, i8* %1) + %2 = getelementptr inbounds [256 x i32]* %a1, i32 0, i32 0 + call void @foo3(i32* %2) #3 + call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"() + call void @llvm.lifetime.end(i64 1024, i8* %1) + ret i32 0 +} + +; Function Attrs: nounwind +declare void @llvm.lifetime.start(i64, i8* nocapture) + +declare void @foo3(i32*) + +; Function Attrs: nounwind +declare void @llvm.lifetime.end(i64, i8* nocapture) + +attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } diff --git a/test/CodeGen/Thumb2/stack_guard_remat.ll b/test/CodeGen/Thumb2/stack_guard_remat.ll new file mode 100644 index 00000000000..a0982be5f56 --- /dev/null +++ b/test/CodeGen/Thumb2/stack_guard_remat.ll @@ -0,0 +1,37 @@ +; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC +; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC + +;PIC: foo2 +;PIC: movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+4)) +;PIC: movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+4)) +;PIC: [[LABEL0]]: +;PIC: add [[R0]], pc +;PIC: ldr [[R1:r[0-9]+]], {{\[}}[[R0]]{{\]}} +;PIC: ldr {{r[0-9]+}}, {{\[}}[[R1]]{{\]}} + +;STATIC: foo2 +;STATIC: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard +;STATIC: movt [[R0]], :upper16:___stack_chk_guard +;STATIC: ldr {{r[0-9]+}}, {{\[}}[[R0]]{{\]}} + +; Function Attrs: nounwind ssp +define i32 @test_stack_guard_remat() #0 { + %a1 = alloca [256 x i32], align 4 + %1 = bitcast [256 x i32]* %a1 to i8* + call void @llvm.lifetime.start(i64 1024, i8* %1) + %2 = getelementptr inbounds [256 x i32]* %a1, i32 0, i32 0 + call void @foo3(i32* %2) #3 + call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"() + call void @llvm.lifetime.end(i64 1024, i8* %1) + ret i32 0 +} + +; Function Attrs: nounwind +declare void @llvm.lifetime.start(i64, i8* nocapture) + +declare void @foo3(i32*) + +; Function Attrs: nounwind +declare void @llvm.lifetime.end(i64, i8* nocapture) + +attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }