176 lines
5.7 KiB
LLVM
176 lines
5.7 KiB
LLVM
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; RUN: opt < %s -tsan -tsan-distinguish-volatile -S | 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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define i16 @test_volatile_read2(i16* %a) sanitize_thread {
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entry:
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%tmp1 = load volatile i16, i16* %a, align 2
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ret i16 %tmp1
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}
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; CHECK-LABEL: define i16 @test_volatile_read2(i16* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i16* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_read2(i8* %1)
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; CHECK-NEXT: %tmp1 = load volatile i16, i16* %a, align 2
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i16
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define i32 @test_volatile_read4(i32* %a) sanitize_thread {
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entry:
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%tmp1 = load volatile i32, i32* %a, align 4
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ret i32 %tmp1
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}
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; CHECK-LABEL: define i32 @test_volatile_read4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_read4(i8* %1)
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; CHECK-NEXT: %tmp1 = load volatile i32, i32* %a, align 4
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i32
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define i64 @test_volatile_read8(i64* %a) sanitize_thread {
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entry:
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%tmp1 = load volatile i64, i64* %a, align 8
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ret i64 %tmp1
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}
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; CHECK-LABEL: define i64 @test_volatile_read8(i64* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i64* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_read8(i8* %1)
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; CHECK-NEXT: %tmp1 = load volatile i64, i64* %a, align 8
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i64
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define i128 @test_volatile_read16(i128* %a) sanitize_thread {
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entry:
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%tmp1 = load volatile i128, i128* %a, align 16
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ret i128 %tmp1
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}
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; CHECK-LABEL: define i128 @test_volatile_read16(i128* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i128* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_read16(i8* %1)
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; CHECK-NEXT: %tmp1 = load volatile i128, i128* %a, align 16
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i128
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define void @test_volatile_write2(i16* %a) sanitize_thread {
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entry:
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store volatile i16 1, i16* %a, align 2
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ret void
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}
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; CHECK-LABEL: define void @test_volatile_write2(i16* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i16* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_write2(i8* %1)
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; CHECK-NEXT: store volatile i16 1, i16* %a, align 2
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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define void @test_volatile_write4(i32* %a) sanitize_thread {
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entry:
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store volatile i32 1, i32* %a, align 4
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ret void
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}
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; CHECK-LABEL: define void @test_volatile_write4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_write4(i8* %1)
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; CHECK-NEXT: store volatile i32 1, i32* %a, align 4
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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define void @test_volatile_write8(i64* %a) sanitize_thread {
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entry:
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store volatile i64 1, i64* %a, align 8
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ret void
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}
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; CHECK-LABEL: define void @test_volatile_write8(i64* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i64* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_write8(i8* %1)
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; CHECK-NEXT: store volatile i64 1, i64* %a, align 8
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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define void @test_volatile_write16(i128* %a) sanitize_thread {
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entry:
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store volatile i128 1, i128* %a, align 16
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ret void
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}
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; CHECK-LABEL: define void @test_volatile_write16(i128* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i128* %a to i8*
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; CHECK-NEXT: call void @__tsan_volatile_write16(i8* %1)
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; CHECK-NEXT: store volatile i128 1, i128* %a, align 16
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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; Check unaligned volatile accesses
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define i32 @test_unaligned_read4(i32* %a) sanitize_thread {
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entry:
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%tmp1 = load volatile i32, i32* %a, align 2
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ret i32 %tmp1
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}
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; CHECK-LABEL: define i32 @test_unaligned_read4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_unaligned_volatile_read4(i8* %1)
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; CHECK-NEXT: %tmp1 = load volatile i32, i32* %a, align 2
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i32
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define void @test_unaligned_write4(i32* %a) sanitize_thread {
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entry:
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store volatile i32 1, i32* %a, align 1
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ret void
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}
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; CHECK-LABEL: define void @test_unaligned_write4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_unaligned_volatile_write4(i8* %1)
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; CHECK-NEXT: store volatile i32 1, i32* %a, align 1
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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; Check that regular aligned accesses are unaffected
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define i32 @test_read4(i32* %a) sanitize_thread {
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entry:
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%tmp1 = load i32, i32* %a, align 4
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ret i32 %tmp1
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}
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; CHECK-LABEL: define i32 @test_read4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_read4(i8* %1)
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; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret i32
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define void @test_write4(i32* %a) sanitize_thread {
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entry:
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store i32 1, i32* %a, align 4
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ret void
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}
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; CHECK-LABEL: define void @test_write4(i32* %a)
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; CHECK: call void @__tsan_func_entry(i8* %0)
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; CHECK-NEXT: %1 = bitcast i32* %a to i8*
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; CHECK-NEXT: call void @__tsan_write4(i8* %1)
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; CHECK-NEXT: store i32 1, i32* %a, align 4
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; CHECK-NEXT: call void @__tsan_func_exit()
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; CHECK: ret void
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