You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
1.2 KiB
25 lines
1.2 KiB
4 months ago
|
; RUN: opt < %s -instcombine -S | grep "fadd double .sx, .sy"
|
||
|
|
; The 'or' has multiple uses, make sure that this doesn't prevent instcombine
|
||
|
|
; from propagating the extends to the truncs.
|
||
|
|
|
||
|
|
define double @ScaleObjectAdd(double %sx, double %sy, double %sz) nounwind {
|
||
|
|
entry:
|
||
|
|
%sx34 = bitcast double %sx to i64 ; <i64> [#uses=1]
|
||
|
|
%sx3435 = zext i64 %sx34 to i192 ; <i192> [#uses=1]
|
||
|
|
%sy22 = bitcast double %sy to i64 ; <i64> [#uses=1]
|
||
|
|
%sy2223 = zext i64 %sy22 to i192 ; <i192> [#uses=1]
|
||
|
|
%sy222324 = shl i192 %sy2223, 128 ; <i192> [#uses=1]
|
||
|
|
%sy222324.ins = or i192 %sx3435, %sy222324 ; <i192> [#uses=1]
|
||
|
|
|
||
|
|
|
||
|
|
%a = trunc i192 %sy222324.ins to i64 ; <i64> [#uses=1]
|
||
|
|
%b = bitcast i64 %a to double ; <double> [#uses=1]
|
||
|
|
%c = lshr i192 %sy222324.ins, 128 ; <i192> [#uses=1]
|
||
|
|
%d = trunc i192 %c to i64 ; <i64> [#uses=1]
|
||
|
|
%e = bitcast i64 %d to double ; <double> [#uses=1]
|
||
|
|
%f = fadd double %b, %e
|
||
|
|
|
||
|
|
; ret double %e
|
||
|
|
ret double %f
|
||
|
|
}
|