1; RUN: rm -rf %t && split-file %s %t && cd %t 2; RUN: cat main.ll pic-flag.ll > pic.ll 3; RUN: llc < pic.ll -mtriple=arm-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC 4; RUN: llc < main.ll -mtriple=arm-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=NO-PIC -check-prefix=STATIC 5; 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 6; RUN: llc < pic.ll -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC-V7 7; RUN: llc < main.ll -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC-V7 8; 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 9 10;PIC: foo2 11;PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] 12;PIC: [[LABEL1:LPC0_1]]: 13;PIC: add [[R1:r[0-9]+]], pc, [[R0]] 14;PIC: ldr [[R2:r[0-9]+]], [[[R1]]] 15;PIC: ldr {{r[0-9]+}}, [[[R2]]] 16 17;PIC: [[LABEL0]]: 18;PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+8) 19 20;NO-PIC: foo2 21;NO-PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]] 22;NO-PIC-NOT: LPC 23;NO-PIC: ldr {{r[0-9]+}}, [[[R0]]] 24 25;STATIC: [[LABEL0]]: 26;STATIC-NEXT: .long ___stack_chk_guard 27 28;DYNAMIC-NO-PIC: [[LABEL0]]: 29;DYNAMIC-NO-PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr 30 31;PIC-V7: movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+8)) 32;PIC-V7: movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+8)) 33;PIC-V7: [[LABEL0]]: 34;PIC-V7: ldr [[R0]], [pc, [[R0]]] 35;PIC-V7: ldr [[R0]], [[[R0]]] 36 37;PIC-V7: L___stack_chk_guard$non_lazy_ptr: 38;PIC-V7: .indirect_symbol ___stack_chk_guard 39 40;STATIC-V7: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard 41;STATIC-V7: movt [[R0]], :upper16:___stack_chk_guard 42;STATIC-V7: ldr [[R0]], [[[R0]]] 43 44;DYNAMIC-NO-PIC-V7: movw [[R0:r[0-9]+]], :lower16:L___stack_chk_guard$non_lazy_ptr 45;DYNAMIC-NO-PIC-V7: movt [[R0]], :upper16:L___stack_chk_guard$non_lazy_ptr 46;DYNAMIC-NO-PIC-V7: ldr [[R0]], [[[R0]]] 47;DYNAMIC-NO-PIC-V7: ldr [[R0]], [[[R0]]] 48 49;DYNAMIC-NO-PIC-V7: L___stack_chk_guard$non_lazy_ptr: 50;DYNAMIC-NO-PIC-V7: .indirect_symbol ___stack_chk_guard 51 52;--- main.ll 53; Function Attrs: nounwind ssp 54define i32 @test_stack_guard_remat() #0 { 55 %a1 = alloca [256 x i32], align 4 56 call void @llvm.lifetime.start.p0(i64 1024, ptr %a1) 57 call void @foo3(ptr %a1) #3 58 call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"() 59 call void @llvm.lifetime.end.p0(i64 1024, ptr %a1) 60 ret i32 0 61} 62 63; Function Attrs: nounwind 64declare void @llvm.lifetime.start.p0(i64, ptr nocapture) 65 66declare void @foo3(ptr) 67 68; Function Attrs: nounwind 69declare void @llvm.lifetime.end.p0(i64, ptr nocapture) 70 71attributes #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" } 72 73;--- pic-flag.ll 74!llvm.module.flags = !{!0} 75!0 = !{i32 7, !"PIC Level", i32 2} 76