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0c71ec0e19
Summary: In preparation for D60318 . Reviewers: gchatelet, efriedma Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D62068 llvm-svn: 361239
41 lines
2.1 KiB
LLVM
41 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -mtriple=x86_64-unknown-unknown -mergeicmps -verify-dom-info -S | FileCheck %s --check-prefix=X86
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; 8-byte int and 8-byte pointer should merge into a 16-byte memcmp.
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; X86: memcmp(i8* {{.*}}, i8* {{.*}}, i64 16)
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%struct.outer = type { i64, %struct.inner* }
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%struct.inner = type { i32, i32, i32 }
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; Function Attrs: nounwind uwtable
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define dso_local i1 @"?foo@@YAHAEAUouter@@0@Z"(%struct.outer* align 8 dereferenceable(16) %o1, %struct.outer* align 8 dereferenceable(116) %o2) local_unnamed_addr #0 {
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entry:
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%p1 = getelementptr inbounds %struct.outer, %struct.outer* %o1, i64 0, i32 0
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%0 = load i64, i64* %p1, align 8
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%p11 = getelementptr inbounds %struct.outer, %struct.outer* %o2, i64 0, i32 0
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%1 = load i64, i64* %p11, align 8
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%cmp = icmp eq i64 %0, %1
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br i1 %cmp, label %if.then, label %if.end5
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if.then: ; preds = %entry
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%p2 = getelementptr inbounds %struct.outer, %struct.outer* %o1, i64 0, i32 1
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%2 = load %struct.inner*, %struct.inner** %p2, align 8
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%p22 = getelementptr inbounds %struct.outer, %struct.outer* %o2, i64 0, i32 1
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%3 = load %struct.inner*, %struct.inner** %p22, align 8
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%cmp3 = icmp eq %struct.inner* %2, %3
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br label %if.end5
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if.end5: ; preds = %if.then, %entry
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%rez.0 = phi i1 [ %cmp3, %if.then ], [ false, %entry ]
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ret i1 %rez.0
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { argmemonly nounwind }
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attributes #2 = { nounwind }
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