35 lines
754 B
LLVM
35 lines
754 B
LLVM
; RUN: llc < %s -march=x86 -mcpu=pentiumpro | FileCheck %s
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define i32 @f(i32 %X) {
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entry:
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; CHECK: f:
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; CHECK: jns
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%tmp1 = add i32 %X, 1 ; <i32> [#uses=1]
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%tmp = icmp slt i32 %tmp1, 0 ; <i1> [#uses=1]
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br i1 %tmp, label %cond_true, label %cond_next
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cond_true: ; preds = %entry
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%tmp2 = tail call i32 (...)* @bar( ) ; <i32> [#uses=0]
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br label %cond_next
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cond_next: ; preds = %cond_true, %entry
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%tmp3 = tail call i32 (...)* @baz( ) ; <i32> [#uses=0]
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ret i32 undef
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}
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declare i32 @bar(...)
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declare i32 @baz(...)
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; rdar://10633221
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define i32 @g(i32 %a, i32 %b) nounwind {
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entry:
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; CHECK: g:
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; CHECK-NOT: test
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; CHECK: cmovs
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%sub = sub nsw i32 %a, %b
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%cmp = icmp sgt i32 %sub, 0
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%cond = select i1 %cmp, i32 %sub, i32 0
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ret i32 %cond
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}
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