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https://github.com/c64scene-ar/llvm-6502.git
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47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
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; RUN: opt -loop-unswitch -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s
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; RUN: opt -S -loop-unswitch -verify-loop-info -verify-dom-info %s | FileCheck %s
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; STATS: 1 loop-unswitch - Total number of instructions analyzed
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; CHECK: %0 = icmp eq i64 undef, 0
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; CHECK-NEXT: br i1 %0, label %"5", label %"4"
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; CHECK: "5": ; preds = %entry
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; CHECK-NEXT: br label %"5.split"
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; CHECK: "5.split": ; preds = %"5"
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; CHECK-NEXT: br label %"16"
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; CHECK: "16": ; preds = %"22", %"5.split"
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; CHECK-NEXT: indirectbr i8* undef, [label %"22", label %"33"]
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; CHECK: "22": ; preds = %"16"
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; CHECK-NEXT: br i1 %0, label %"16", label %"26"
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; CHECK: "26": ; preds = %"22"
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; CHECK-NEXT: unreachable
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define void @foo() {
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entry:
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%0 = icmp eq i64 undef, 0
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br i1 %0, label %"5", label %"4"
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"4": ; preds = %entry
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unreachable
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"5": ; preds = %entry
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br label %"16"
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"16": ; preds = %"22", %"5"
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indirectbr i8* undef, [label %"22", label %"33"]
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"22": ; preds = %"16"
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br i1 %0, label %"16", label %"26"
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"26": ; preds = %"22"
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unreachable
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"33": ; preds = %"16"
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unreachable
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}
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