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; RUN: llc < %s -march=x86 | FileCheck %s
declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
define zeroext i1 @a(i32 %x) nounwind {
%res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
%obil = extractvalue {i32, i1} %res, 1
ret i1 %obil
; CHECK-LABEL: a:
; CHECK: mull
; CHECK: seto %al
; CHECK: movzbl %al, %eax
; CHECK: ret
}
define i32 @test2(i32 %a, i32 %b) nounwind readnone {
entry:
%tmp0 = add i32 %b, %a
%tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 2)
%tmp2 = extractvalue { i32, i1 } %tmp1, 0
ret i32 %tmp2
; CHECK-LABEL: test2:
; CHECK: addl
; CHECK-NEXT: addl
; CHECK-NEXT: ret
}
define i32 @test3(i32 %a, i32 %b) nounwind readnone {
entry:
%tmp0 = add i32 %b, %a
%tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 4)
%tmp2 = extractvalue { i32, i1 } %tmp1, 0
ret i32 %tmp2
; CHECK-LABEL: test3:
; CHECK: addl
; CHECK: mull
; CHECK-NEXT: ret
}
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