forked from OSchip/llvm-project
54 lines
1.2 KiB
LLVM
54 lines
1.2 KiB
LLVM
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;RUN: opt -mem2reg -S < %s | FileCheck %s
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declare i1 @cond()
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define i32 @foo() {
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Entry:
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%val = alloca i32
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%c1 = call i1 @cond()
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br i1 %c1, label %Store1, label %Store2
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Block1:
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br label %Join
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Block2:
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br label %Join
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Block3:
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br label %Join
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Block4:
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br label %Join
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Block5:
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br label %Join
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Store1:
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store i32 1, i32* %val
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br label %Join
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Block6:
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br label %Join
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Block7:
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br label %Join
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Block8:
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br label %Join
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Block9:
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br label %Join
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Block10:
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br label %Join
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Store2:
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store i32 2, i32* %val
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br label %Join
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Block11:
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br label %Join
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Block12:
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br label %Join
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Block13:
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br label %Join
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Block14:
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br label %Join
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Block15:
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br label %Join
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Block16:
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br label %Join
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Join:
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; Phi inserted here should have operands appended deterministically
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; CHECK: %val.0 = phi i32 [ 1, %Store1 ], [ 2, %Store2 ], [ undef, %Block1 ], [ undef, %Block2 ], [ undef, %Block3 ], [ undef, %Block4 ], [ undef, %Block5 ], [ undef, %Block6 ], [ undef, %Block7 ], [ undef, %Block8 ], [ undef, %Block9 ], [ undef, %Block10 ], [ undef, %Block11 ], [ undef, %Block12 ], [ undef, %Block13 ], [ undef, %Block14 ], [ undef, %Block15 ], [ undef, %Block16 ]
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%result = load i32, i32* %val
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ret i32 %result
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}
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