39 lines
1.2 KiB
LLVM
39 lines
1.2 KiB
LLVM
; Ensure that llvm-reduce doesn't try to introduce a 0 or 1
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; into a SwitchInst that already has one of those
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; RUN: llvm-reduce --delta-passes=operands-zero --test %python --test-arg %p/Inputs/remove-bbs.py -abort-on-invalid-reduction %s -o %t
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; RUN: llvm-reduce --delta-passes=operands-one --test %python --test-arg %p/Inputs/remove-bbs.py -abort-on-invalid-reduction %s -o %t
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declare i32 @g()
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define void @f(ptr %0, i1 %1) {
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%3 = alloca i32, align 4
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store ptr null, ptr %0, align 8
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%4 = call i32 @g()
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br i1 %1, label %5, label %7
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5: ; preds = %2
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br label %6
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6: ; preds = %5
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store i32 0, ptr %3, align 4
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br label %interesting2
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7: ; preds = %2
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br label %interesting2
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interesting2: ; preds = %7, %6
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%x9 = load i32, ptr %3, align 4
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switch i32 %x9, label %uninteresting [
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i32 3, label %interesting1
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i32 12, label %interesting1
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]
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interesting1: ; preds = %8, %8
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ret void
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uninteresting: ; preds = %8
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unreachable
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}
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