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4abbd8e898
CGP currently drops select's MD_prof profile data when generating conditional branch which can lead to bad code layout. The patch fixes the issue. Differential Revision: http://reviews.llvm.org/D24169 llvm-svn: 280600
17 lines
511 B
LLVM
17 lines
511 B
LLVM
; RUN: llc -mtriple=x86_64-unknown-unknown -print-after-all < %s 2>&1 | FileCheck %s
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; Function Attrs: norecurse nounwind readnone uwtable
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define i32 @foo(i32, i32, i32) {
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%4 = and i32 %0, 3
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%5 = icmp eq i32 %4, 1
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%6 = select i1 %5, i32 %1, i32 %2, !prof !1
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; CHECK: br {{.*}}label{{.*}}, label{{.*}}, !prof ![[WT:.*]]
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ret i32 %6
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}
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!llvm.ident = !{!0}
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!0 = !{!"clang version 4.0.0 (trunk 279683)"}
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!1 = !{!"branch_weights", i32 1000, i32 1 }
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; CHECK ![[WT]] = !{!"branch_weights", i32 1000, i32 1 }
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