29 lines
645 B
LLVM
29 lines
645 B
LLVM
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; PR45220
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; RUN: opt -S -jump-threading < %s | FileCheck %s
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declare i1 @NOP()
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define dso_local i32 @f(i1 %b, i1 %u) sanitize_memory {
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entry:
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br i1 %b, label %if.end, label %if.else
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if.else:
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%call = call i1 @NOP()
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br label %if.end
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if.end:
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; Check that both selects in this BB are still in place,
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; and were not replaced with a conditional branch.
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; CHECK: phi
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; CHECK-NEXT: phi
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; CHECK-NEXT: select
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; CHECK-NEXT: select
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; CHECK-NEXT: ret
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%u1 = phi i1 [ true, %if.else ], [ %u, %entry ]
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%v = phi i1 [ %call, %if.else ], [ false, %entry ]
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%s = select i1 %u1, i32 22, i32 0
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%v1 = select i1 %v, i32 %s, i32 42
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ret i32 %v1
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}
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