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https://github.com/RPCS3/llvm.git
synced 2026-07-24 12:15:51 -04:00
Nirav Dave
1550dee119
Correct references to alignment of store which may be deleted in a previous iteration of merge. Instead use first store that would be merged. Corrects pr33172's use-after-poison caught by ASan. Reviewers: spatel, hfinkel, RKSimon Reviewed By: RKSimon Subscribers: thegameg, javed.absar, llvm-commits Differential Revision: https://reviews.llvm.org/D33686 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304299 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.8 KiB
LLVM
33 lines
1.8 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; CHECK-LABEL: pr33172
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; CHECK: ldp
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; CHECK: stp
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios10.3.0"
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@main.b = external global [200 x float], align 8
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@main.x = external global [200 x float], align 8
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; Function Attrs: nounwind ssp
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define void @pr33172() local_unnamed_addr {
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entry:
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%wide.load8281058.3 = load i64, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.b, i64 0, i64 12) to i64*), align 8
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%wide.load8291059.3 = load i64, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.b, i64 0, i64 14) to i64*), align 8
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store i64 %wide.load8281058.3, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.x, i64 0, i64 12) to i64*), align 8
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store i64 %wide.load8291059.3, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.x, i64 0, i64 14) to i64*), align 8
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%wide.load8281058.4 = load i64, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.b, i64 0, i64 16) to i64*), align 8
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%wide.load8291059.4 = load i64, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.b, i64 0, i64 18) to i64*), align 8
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store i64 %wide.load8281058.4, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.x, i64 0, i64 16) to i64*), align 8
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store i64 %wide.load8291059.4, i64* bitcast (float* getelementptr inbounds ([200 x float], [200 x float]* @main.x, i64 0, i64 18) to i64*), align 8
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tail call void @llvm.memset.p0i8.i64(i8* bitcast ([200 x float]* @main.b to i8*), i8 0, i64 undef, i32 8, i1 false) #2
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unreachable
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i32, i1) #1
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attributes #1 = { argmemonly nounwind }
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attributes #2 = { nounwind }
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