blob: 7c23adba406cf5d525ac8a097af2ca2ed417ceaf [file] [log] [blame]
; RUN: llc < %s -march=x86 | grep mul | count 1
; RUN: llc < %s -march=x86 | grep add | count 3
define i32 @t1(i32 %a, i32 %b) nounwind readnone {
entry:
%tmp0 = add i32 %b, %a
%tmp1 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %tmp0, i32 2)
%tmp2 = extractvalue { i32, i1 } %tmp1, 0
ret i32 %tmp2
}
define i32 @t2(i32 %a, i32 %b) nounwind readnone {
entry:
%tmp0 = add i32 %b, %a
%tmp1 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %tmp0, i32 4)
%tmp2 = extractvalue { i32, i1 } %tmp1, 0
ret i32 %tmp2
}
declare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32) nounwind