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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -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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target triple = "x86_64-unknown-linux-gnu"
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; Test that result origin is directy propagated from the argument,
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; and is not affected by all the literal undef operands.
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; https://code.google.com/p/memory-sanitizer/issues/detail?id=56
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define <4 x i32> @Shuffle(<4 x i32> %x) nounwind uwtable sanitize_memory {
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entry:
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%y = shufflevector <4 x i32> %x, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
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ret <4 x i32> %y
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}
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; CHECK-LABEL: @Shuffle(
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; CHECK: [[A:%.*]] = load i32, i32* {{.*}}@__msan_param_origin_tls,
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; CHECK: store i32 [[A]], i32* @__msan_retval_origin_tls
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; CHECK: ret <4 x i32>
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; Regression test for origin propagation in "select i1, float, float".
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; https://code.google.com/p/memory-sanitizer/issues/detail?id=78
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define float @SelectFloat(i1 %b, float %x, float %y) nounwind uwtable sanitize_memory {
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entry:
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%z = select i1 %b, float %x, float %y
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ret float %z
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}
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; CHECK-LABEL: @SelectFloat(
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; CHECK-NOT: select {{.*}} i32 0, i32 0
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; CHECK: ret float
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