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16 lines
427 B
LLVM
16 lines
427 B
LLVM
; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call
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define i32 @factorial(i32 %x) {
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entry:
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%tmp.1 = icmp sgt i32 %x, 0 ; <i1> [#uses=1]
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br i1 %tmp.1, label %then, label %else
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then: ; preds = %entry
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%tmp.6 = add i32 %x, -1 ; <i32> [#uses=1]
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%tmp.4 = call i32 @factorial( i32 %tmp.6 ) ; <i32> [#uses=1]
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%tmp.7 = mul i32 %tmp.4, %x ; <i32> [#uses=1]
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ret i32 %tmp.7
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else: ; preds = %entry
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ret i32 1
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}
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