derek.holloway
7502bf64a4
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45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; NOTE: Do not autogenerate
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; The update tools can't understand this usage of split-file. (Maybe we should
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; add llc flags to set the PIC metadata.)
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; RUN: rm -rf %t && split-file %s %t && cd %t
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; RUN: cat a.ll nopic.ll > b.ll
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; RUN: cat a.ll pic.ll > c.ll
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; RUN: llc < b.ll | FileCheck %s
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; RUN: llc < c.ll -relocation-model=pic | FileCheck %s -check-prefix=PIC
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;--- a.ll
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target triple = "aarch64-unknown-linux-gnu"
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define dso_local void @f(ptr noundef %g) #0 {
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; CHECK: adrp x9, __stack_chk_guard
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; CHECK: ldr w9, [x9, :lo12:__stack_chk_guard]
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; CHECK: adrp x8, __stack_chk_guard
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; CHECK: ldr w8, [x8, :lo12:__stack_chk_guard]
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; PIC: adrp x9, :got:__stack_chk_guard
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; PIC: ldr x9, [x9, :got_lo12:__stack_chk_guard]
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; PIC: ldr w9, [x9]
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; PIC: adrp x8, :got:__stack_chk_guard
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; PIC: ldr x8, [x8, :got_lo12:__stack_chk_guard]
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; PIC: ldr w8, [x8]
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entry:
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%g.addr = alloca ptr, align 8
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%x = alloca [1000 x i8], align 1
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store ptr %g, ptr %g.addr, align 8
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%0 = load ptr, ptr %g.addr, align 8
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%arraydecay = getelementptr inbounds [1000 x i8], ptr %x, i64 0, i64 0
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call void %0(ptr noundef %arraydecay)
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ret void
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}
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attributes #0 = { ssp }
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;--- nopic.ll
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"stack-protector-guard-value-width", i32 4}
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;--- pic.ll
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!llvm.module.flags = !{!0, !1}
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!0 = !{i32 1, !"stack-protector-guard-value-width", i32 4}
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!1 = !{i32 8, !"PIC Level", i32 2}
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