derek.holloway
7502bf64a4
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86 lines
2.9 KiB
LLVM
86 lines
2.9 KiB
LLVM
; Regression test for safestack layout. Used to fail with asan.
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; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
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; RUN: opt -passes='require<libcall-lowering-info>,safe-stack' -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
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define void @f() safestack {
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; CHECK-LABEL: define void @f
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entry:
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; CHECK: %[[USP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -224
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%x0 = alloca i8, align 16
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%x1 = alloca i8, align 16
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%x2 = alloca i8, align 16
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%x3 = alloca i8, align 16
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%x4 = alloca i8, align 16
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%x5 = alloca i8, align 16
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%x6 = alloca i8, align 16
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%x7 = alloca i8, align 16
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%x8 = alloca i8, align 16
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%x9 = alloca i8, align 16
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%x10 = alloca i8, align 16
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%x11 = alloca i8, align 16
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%x12 = alloca i8, align 16
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%x13 = alloca i8, align 16
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%y0 = alloca i8, align 2
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%y1 = alloca i8, align 2
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%y2 = alloca i8, align 2
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%y3 = alloca i8, align 2
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%y4 = alloca i8, align 2
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%y5 = alloca i8, align 2
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%y6 = alloca i8, align 2
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%y7 = alloca i8, align 2
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%y8 = alloca i8, align 2
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -16
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call void @capture8(ptr %x0)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -32
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call void @capture8(ptr %x1)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -48
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call void @capture8(ptr %x2)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -64
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call void @capture8(ptr %x3)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -80
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call void @capture8(ptr %x4)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -96
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call void @capture8(ptr %x5)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -112
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call void @capture8(ptr %x6)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -128
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call void @capture8(ptr %x7)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -144
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call void @capture8(ptr %x8)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -160
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call void @capture8(ptr %x9)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -176
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call void @capture8(ptr %x10)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -192
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call void @capture8(ptr %x11)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -208
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call void @capture8(ptr %x12)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -224
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call void @capture8(ptr %x13)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -2
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call void @capture8(ptr %y0)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -4
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call void @capture8(ptr %y1)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -6
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call void @capture8(ptr %y2)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -8
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call void @capture8(ptr %y3)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -10
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call void @capture8(ptr %y4)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -12
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call void @capture8(ptr %y5)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -14
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call void @capture8(ptr %y6)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -18
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call void @capture8(ptr %y7)
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; CHECK: getelementptr i8, ptr %[[USP]], i32 -20
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call void @capture8(ptr %y8)
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ret void
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}
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declare void @capture8(ptr)
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