derek.holloway
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54 lines
2.5 KiB
LLVM
54 lines
2.5 KiB
LLVM
; RUN: cat %s > %t.pic.ll
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; RUN: echo -e '!llvm.module.flags = !{!0}\n!0 = !{i32 7, !"PIC Level", i32 2}' >> %t.pic.ll
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; RUN: llc < %t.pic.ll -mtriple=thumb-apple-darwin -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC
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; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=NO-PIC -check-prefix=STATIC
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; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s -check-prefix=NO-PIC -check-prefix=DYNAMIC-NO-PIC
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;PIC: foo2
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;PIC: add [[SAVED_GUARD:r[0-9]+]], sp, #904
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;PIC-NEXT: ldr [[SAVED_GUARD]], [[[SAVED_GUARD]], #124]
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;PIC-NEXT: ldr [[ORIGINAL_GUARD:r[0-9]+]], [[ORIGINAL_GUARD_LABEL:LCPI[0-9_]+]]
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;PIC-NEXT: [[LABEL1:LPC[0-9_]+]]:
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;PIC-NEXT: add [[ORIGINAL_GUARD]], pc
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;PIC-NEXT: ldr [[ORIGINAL_GUARD]], [[[ORIGINAL_GUARD]]]
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;PIC-NEXT: ldr [[ORIGINAL_GUARD]], [[[ORIGINAL_GUARD]]]
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;PIC-NEXT: cmp [[ORIGINAL_GUARD]], [[SAVED_GUARD]]
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;PIC: [[ORIGINAL_GUARD_LABEL]]:
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;PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+4)
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;NO-PIC: foo2
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;NO-PIC: add [[SAVED_GUARD:r[0-9]+]], sp, #904
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;NO-PIC-NEXT: ldr [[SAVED_GUARD]], [[[SAVED_GUARD]], #124]
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;NO-PIC-NEXT: ldr [[ORIGINAL_GUARD:r[0-9]+]], [[ORIGINAL_GUARD_LABEL:LCPI[0-9_]+]]
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;DYNAMIC-NO-PIC: add [[ORIGINAL_GUARD]], pc
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;NO-PIC-NEXT: ldr [[ORIGINAL_GUARD]], [[[ORIGINAL_GUARD]]]
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;DYNAMIC-NO-PIC-NEXT: ldr [[ORIGINAL_GUARD]], [[[ORIGINAL_GUARD]]]
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;NO-PIC-NEXT: cmp [[ORIGINAL_GUARD]], [[SAVED_GUARD]]
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;STATIC: [[ORIGINAL_GUARD_LABEL]]:
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;STATIC-NEXT: .long ___stack_chk_guard
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;DYNAMIC-NO-PIC: [[ORIGINAL_GUARD_LABEL]]:
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;DYNAMIC-NO-PIC-NEXT: .long L___stack_chk_guard$non_lazy_ptr
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; Function Attrs: nounwind ssp
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define i32 @test_stack_guard_remat() #0 {
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%a1 = alloca [256 x i32], align 4
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call void @llvm.lifetime.start.p0(i64 1024, ptr %a1)
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call void @foo3(ptr %a1) #3
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call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"()
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call void @llvm.lifetime.end.p0(i64 1024, ptr %a1)
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ret i32 0
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}
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; Function Attrs: nounwind
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declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
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declare void @foo3(ptr)
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
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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" "use-soft-float"="false" }
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