19 lines
551 B
LLVM
19 lines
551 B
LLVM
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i32 @foo(i32 %x, i32 %y) {
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; CHECK-LABEL: foo
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; CHECK: [[TMP1:%.*]] = icmp ugt i32 %x, %y
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; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 %x, i32 %y, !prof ![[$MD0:[0-9]+]]
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; CHECK-NEXT: [[TMP3:%.*]] = xor i32 [[TMP2]], -1
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; CHECK-NEXT: ret i32 [[TMP3:%.*]]
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; CHECK-DAG: !0 = !{!"branch_weights", i32 6, i32 1}
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%1 = xor i32 %x, -1
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%2 = xor i32 %y, -1
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%3 = icmp ugt i32 %1, %2
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%4 = select i1 %3, i32 %2, i32 %1, !prof !1
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ret i32 %4
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}
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!1 = !{!"branch_weights", i32 1, i32 6}
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