| ; RUN: rm -rf %t && split-file %s %t && cd %t |
| ; RUN: cat main.ll pic-flag.ll > pic.ll |
| ; RUN: llc < pic.ll -mtriple=arm-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC |
| ; RUN: llc < main.ll -mtriple=arm-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=NO-PIC -check-prefix=STATIC |
| ; RUN: llc < main.ll -mtriple=arm-apple-ios -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s -check-prefixes=NO-PIC,DYNAMIC-NO-PIC |
| ; RUN: llc < pic.ll -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC-V7 |
| ; RUN: llc < main.ll -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC-V7 |
| ; RUN: llc < main.ll -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s -check-prefix=DYNAMIC-NO-PIC-V7 |
| |
| ;PIC: foo2 |
| ;PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] |
| ;PIC: [[LABEL1:LPC0_1]]: |
| ;PIC: add [[R1:r[0-9]+]], pc, [[R0]] |
| ;PIC: ldr [[R2:r[0-9]+]], [[[R1]]] |
| ;PIC: ldr {{r[0-9]+}}, [[[R2]]] |
| |
| ;PIC: [[LABEL0]]: |
| ;PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+8) |
| |
| ;NO-PIC: foo2 |
| ;NO-PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] |
| ;NO-PIC-NOT: LPC |
| ;NO-PIC: ldr {{r[0-9]+}}, [[[R0]]] |
| |
| ;STATIC: [[LABEL0]]: |
| ;STATIC-NEXT: .long ___stack_chk_guard |
| |
| ;DYNAMIC-NO-PIC: [[LABEL0]]: |
| ;DYNAMIC-NO-PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr |
| |
| ;PIC-V7: movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+8)) |
| ;PIC-V7: movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+8)) |
| ;PIC-V7: [[LABEL0]]: |
| ;PIC-V7: ldr [[R0]], [pc, [[R0]]] |
| ;PIC-V7: ldr [[R0]], [[[R0]]] |
| |
| ;PIC-V7: L___stack_chk_guard$non_lazy_ptr: |
| ;PIC-V7: .indirect_symbol ___stack_chk_guard |
| |
| ;STATIC-V7: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard |
| ;STATIC-V7: movt [[R0]], :upper16:___stack_chk_guard |
| ;STATIC-V7: ldr [[R0]], [[[R0]]] |
| |
| ;DYNAMIC-NO-PIC-V7: movw [[R0:r[0-9]+]], :lower16:L___stack_chk_guard$non_lazy_ptr |
| ;DYNAMIC-NO-PIC-V7: movt [[R0]], :upper16:L___stack_chk_guard$non_lazy_ptr |
| ;DYNAMIC-NO-PIC-V7: ldr [[R0]], [[[R0]]] |
| ;DYNAMIC-NO-PIC-V7: ldr [[R0]], [[[R0]]] |
| |
| ;DYNAMIC-NO-PIC-V7: L___stack_chk_guard$non_lazy_ptr: |
| ;DYNAMIC-NO-PIC-V7: .indirect_symbol ___stack_chk_guard |
| |
| ;--- main.ll |
| ; Function Attrs: nounwind ssp |
| define i32 @test_stack_guard_remat() #0 { |
| %a1 = alloca [256 x i32], align 4 |
| call void @llvm.lifetime.start.p0(i64 1024, ptr %a1) |
| call void @foo3(ptr %a1) #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.p0(i64 1024, ptr %a1) |
| ret i32 0 |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.start.p0(i64, ptr nocapture) |
| |
| declare void @foo3(ptr) |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.end.p0(i64, ptr nocapture) |
| |
| attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| ;--- pic-flag.ll |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 7, !"PIC Level", i32 2} |