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llvm-mirror/test/CodeGen/X86/umul-with-overflow.ll
Bill Wendling 0b9c16295a As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
(movzx/movsx) because they give more information. Revert that part of the patch.

llvm-svn: 129498
2011-04-14 01:46:37 +00:00

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358 B
LLVM

; RUN: llc < %s -march=x86 | FileCheck %s
declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
define i1 @a(i32 %x) zeroext nounwind {
%res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
%obil = extractvalue {i32, i1} %res, 1
ret i1 %obil
; CHECK: a:
; CHECK: mull
; CHECK: seto %al
; CHECK: movzbl %al, %eax
; CHECK: ret
}