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35 lines
677 B
LLVM
35 lines
677 B
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
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define i32 @isint_return(double %d) nounwind {
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; CHECK-NOT: xor
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; CHECK: cvt
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%i = fptosi double %d to i32
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; CHECK-NEXT: cvt
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%e = sitofp i32 %i to double
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; CHECK: cmpeqsd
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%c = fcmp oeq double %d, %e
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; CHECK-NEXT: movd
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; CHECK-NEXT: andl
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%z = zext i1 %c to i32
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ret i32 %z
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}
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declare void @foo()
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define void @isint_branch(double %d) nounwind {
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; CHECK: cvt
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%i = fptosi double %d to i32
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; CHECK-NEXT: cvt
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%e = sitofp i32 %i to double
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; CHECK: ucomisd
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%c = fcmp oeq double %d, %e
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; CHECK-NEXT: jne
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; CHECK-NEXT: jp
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br i1 %c, label %true, label %false
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true:
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call void @foo()
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ret void
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false:
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ret void
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}
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