14 lines
478 B
LLVM
14 lines
478 B
LLVM
|
; RUN: opt < %s -instcombine -S | grep {mul i64}
|
||
|
|
; rdar://6762288
|
||
|
|
|
||
|
|
; Instcombine should not promote the mul to i96 because it is definitely
|
||
|
|
; not a legal type for the target, and we don't want a libcall.
|
||
|
|
|
||
|
|
define i96 @test(i96 %a.4, i96 %b.2) {
|
||
|
|
%tmp1086 = trunc i96 %a.4 to i64 ; <i64> [#uses=1]
|
||
|
|
%tmp836 = trunc i96 %b.2 to i64 ; <i64> [#uses=1]
|
||
|
|
%mul185 = mul i64 %tmp1086, %tmp836 ; <i64> [#uses=1]
|
||
|
|
%tmp544 = zext i64 %mul185 to i96 ; <i96> [#uses=1]
|
||
|
|
ret i96 %tmp544
|
||
|
|
}
|