derek.holloway
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45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC
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; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC
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; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s -check-prefix=DYNAMIC-NO-PIC
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;PIC: foo2
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;PIC: movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+4))
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;PIC: movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+4))
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;PIC: [[LABEL0]]:
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;PIC: add [[R0]], pc
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;PIC: ldr [[R1:r[0-9]+]], [[[R0]]]
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;PIC: ldr {{r[0-9]+}}, [[[R1]]]
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;STATIC: foo2
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;STATIC: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard
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;STATIC: movt [[R0]], :upper16:___stack_chk_guard
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;STATIC: ldr {{r[0-9]+}}, [[[R0]]]
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;DYNAMIC-NO-PIC: foo2
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;DYNAMIC-NO-PIC: movw [[R0:r[0-9]+]], :lower16:L___stack_chk_guard$non_lazy_ptr
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;DYNAMIC-NO-PIC: movt [[R0]], :upper16:L___stack_chk_guard$non_lazy_ptr
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;DYNAMIC-NO-PIC: ldr {{r[0-9]+}}, [[[R0]]]
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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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!llvm.module.flags = !{!0}
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!0 = !{i32 7, !"PIC Level", i32 2}
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