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https://github.com/c64scene-ar/llvm-6502.git
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8e708d30a3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179277 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.7 KiB
LLVM
56 lines
1.7 KiB
LLVM
; RUN: opt < %s -tsan -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"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @read_4_bytes(i32* %a) {
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entry:
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%tmp1 = load i32* %a, align 4
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ret i32 %tmp1
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}
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; CHECK: @llvm.global_ctors = {{.*}}@__tsan_init
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; CHECK: define i32 @read_4_bytes(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* %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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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
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declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
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; Check that tsan converts mem intrinsics back to function calls.
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define void @MemCpyTest(i8* nocapture %x, i8* nocapture %y) {
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
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ret void
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; CHECK: define void @MemCpyTest
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; CHECK: call i8* @memcpy
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; CHECK: ret void
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}
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define void @MemMoveTest(i8* nocapture %x, i8* nocapture %y) {
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entry:
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tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
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ret void
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; CHECK: define void @MemMoveTest
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; CHECK: call i8* @memmove
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; CHECK: ret void
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}
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define void @MemSetTest(i8* nocapture %x) {
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entry:
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tail call void @llvm.memset.p0i8.i64(i8* %x, i8 77, i64 16, i32 4, i1 false)
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ret void
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; CHECK: define void @MemSetTest
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; CHECK: call i8* @memset
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; CHECK: ret void
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}
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