forked from OSchip/llvm-project
91 lines
2.6 KiB
LLVM
91 lines
2.6 KiB
LLVM
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
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; RUN: -passes=msan 2>&1 | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Test origin for longer stores.
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define void @Store8(i64* nocapture %p, i64 %x) sanitize_memory {
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entry:
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store i64 %x, i64* %p, align 8
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ret void
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}
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; Single 8-byte origin store
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; CHECK-LABEL: define void @Store8(
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: ret void
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define void @Store8_align4(i64* nocapture %p, i64 %x) sanitize_memory {
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entry:
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store i64 %x, i64* %p, align 4
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ret void
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}
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; Two 4-byte origin stores
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; CHECK-LABEL: define void @Store8_align4(
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; CHECK: store i64 {{.*}}, align 4
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; CHECK: store i32 {{.*}}, align 4
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; CHECK: getelementptr i32, i32* {{.*}}, i32 1
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; CHECK: store i32 {{.*}}, align 4
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; CHECK: store i64 {{.*}}, align 4
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; CHECK: ret void
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%struct.S = type { i32, i32, i32 }
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define void @StoreAgg(%struct.S* nocapture %p, %struct.S %x) sanitize_memory {
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entry:
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store %struct.S %x, %struct.S* %p, align 4
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ret void
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}
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; Three 4-byte origin stores
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; CHECK-LABEL: define void @StoreAgg(
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; CHECK: store { i32, i32, i32 } {{.*}}, align 4
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; CHECK: store i32 {{.*}}, align 4
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; CHECK: getelementptr i32, i32* {{.*}}, i32 1
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; CHECK: store i32 {{.*}}, align 4
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; CHECK: getelementptr i32, i32* {{.*}}, i32 2
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; CHECK: store i32 {{.*}}, align 4
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; CHECK: store %struct.S {{.*}}, align 4
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; CHECK: ret void
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define void @StoreAgg8(%struct.S* nocapture %p, %struct.S %x) sanitize_memory {
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entry:
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store %struct.S %x, %struct.S* %p, align 8
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ret void
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}
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; 8-byte + 4-byte origin stores
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; CHECK-LABEL: define void @StoreAgg8(
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; CHECK: store { i32, i32, i32 } {{.*}}, align 8
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: getelementptr i32, i32* {{.*}}, i32 2
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; CHECK: store i32 {{.*}}, align 8
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; CHECK: store %struct.S {{.*}}, align 8
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; CHECK: ret void
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%struct.Q = type { i64, i64, i64 }
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define void @StoreAgg24(%struct.Q* nocapture %p, %struct.Q %x) sanitize_memory {
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entry:
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store %struct.Q %x, %struct.Q* %p, align 8
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ret void
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}
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; 3 8-byte origin stores
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; CHECK-LABEL: define void @StoreAgg24(
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; CHECK: store { i64, i64, i64 } {{.*}}, align 8
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: getelementptr i64, i64* {{.*}}, i32 1
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: getelementptr i64, i64* {{.*}}, i32 2
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; CHECK: store i64 {{.*}}, align 8
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; CHECK: store %struct.Q {{.*}}, align 8
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; CHECK: ret void
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