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8b0fcf38ef
commit after this). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52453 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.2 KiB
LLVM
42 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | opt -ipconstprop | llvm-dis > %t
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;; Check that the 21 constants got propagated properly
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; RUN: cat %t | grep {%M = add i32 21, 21}
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;; Check that the second return values didn't get propagated
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; RUN: cat %t | grep {%N = add i32 %B, %D}
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define internal {i32, i32} @foo(i1 %Q) {
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br i1 %Q, label %T, label %F
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T: ; preds = %0
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ret i32 21, i32 22
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F: ; preds = %0
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ret i32 21, i32 23
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}
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define internal {i32, i32} @bar(i1 %Q) {
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%A = insertvalue { i32, i32 } undef, i32 21, 0
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br i1 %Q, label %T, label %F
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T: ; preds = %0
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%B = insertvalue { i32, i32 } %A, i32 22, 1
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ret { i32, i32 } %B
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F: ; preds = %0
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%C = insertvalue { i32, i32 } %A, i32 23, 1
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ret { i32, i32 } %C
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}
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define { i32, i32 } @caller(i1 %Q) {
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%X = call {i32, i32} @foo( i1 %Q )
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%A = getresult {i32, i32} %X, 0
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%B = getresult {i32, i32} %X, 1
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%Y = call {i32, i32} @bar( i1 %Q )
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%C = extractvalue {i32, i32} %Y, 0
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%D = extractvalue {i32, i32} %Y, 1
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%M = add i32 %A, %C
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%N = add i32 %B, %D
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ret { i32, i32 } %X
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}
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