30 lines
749 B
LLVM
30 lines
749 B
LLVM
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; RUN: opt -debug-only=branch-prob -passes="require<branch-prob>,jump-threading" -S %s 2>&1 | FileCheck %s
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; RUN: opt -debug-only=branch-prob -passes=jump-threading -S %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOBPI
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; REQUIRES: asserts
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; Make sure that we clear edge probabilities for bb.cond as we fold
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; the conditional branch in it.
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; CHECK: eraseBlock bb.cond
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; CHECK-NOBPI-NOT: eraseBlock bb.cond
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define i32 @foo(i1 %cond) !prof !0 {
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; CHECK-LABEL: @foo
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; CHECK: bb.entry:
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; CHECK-NEXT: br i1 %cond, label %bb.31, label %bb.12
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; CHECK-NOT: bb.cond:
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bb.entry:
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br i1 %cond, label %bb.31, label %bb.cond
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bb.cond:
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br i1 %cond, label %bb.31, label %bb.12
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bb.31:
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ret i32 31
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bb.12:
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ret i32 12
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}
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!0 = !{!"function_entry_count", i64 0}
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