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2010 Nov 29
1
[LLVMdev] Sparc regression in V119382 "pseudo instruction expansion"
The following code compiles for Sparc prior to version 119382 but causes
a llc to hang in version 119382 and later. I glanced at it but haven't
figure it out yet. I figure I'd ping the list to see if it's an obvious
fix to someone else.
define void @test(i16 %di, i32 %L_num, i32 %tmp1, i16* %P) {
%X = shl i16 %di, 1 ; <i16> [#uses=1]
%tmp28 = shl i32 %L_num, 1 ; <i32> [#uses=1]
%tmp31 = icmp slt i32 %tmp28, %tmp1 ; <i1> [#uses=1]
%tmp31.upgrd = zext i1 %tmp31 to i16 ; <i16> [#us...