return match(SplatValue, m_FPOne()) || match(SplatValue, m_One());
};
- // The OpMultiplier variable should always point to the dup (if any), so
- // swap if necessary.
- if (IsUnitDup(OpMultiplicand) || IsUnitSplat(OpMultiplicand))
- std::swap(OpMultiplier, OpMultiplicand);
-
if (IsUnitSplat(OpMultiplier)) {
- // [f]mul pg (dupx 1) %n => %n
+ // [f]mul pg %n, (dupx 1) => %n
OpMultiplicand->takeName(&II);
return IC.replaceInstUsesWith(II, OpMultiplicand);
} else if (IsUnitDup(OpMultiplier)) {
- // [f]mul pg (dup pg 1) %n => %n
+ // [f]mul pg %n, (dup pg 1) => %n
auto *DupInst = cast<IntrinsicInst>(OpMultiplier);
auto *DupPg = DupInst->getOperand(1);
// TODO: this is naive. The optimization is still valid if DupPg
define <vscale x 2 x double> @idempotent_fmul_different_argument_order(<vscale x 2 x i1> %pg, <vscale x 2 x double> %a) #0 {
; CHECK-LABEL: @idempotent_fmul_different_argument_order(
-; CHECK-NEXT: ret <vscale x 2 x double> [[A:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = call <vscale x 2 x double> @llvm.aarch64.sve.fmul.nxv2f64(<vscale x 2 x i1> [[PG:%.*]], <vscale x 2 x double> shufflevector (<vscale x 2 x double> insertelement (<vscale x 2 x double> poison, double 1.000000e+00, i32 0), <vscale x 2 x double> poison, <vscale x 2 x i32> zeroinitializer), <vscale x 2 x double> [[A:%.*]])
+; CHECK-NEXT: ret <vscale x 2 x double> [[TMP1]]
;
%1 = call <vscale x 2 x double> @llvm.aarch64.sve.dup.x.nxv2f64(double 1.0)
; Different argument order to the above tests.
define <vscale x 2 x i64> @idempotent_mul_different_argument_order(<vscale x 2 x i1> %pg, <vscale x 2 x i64> %a) #0 {
; CHECK-LABEL: @idempotent_mul_different_argument_order(
-; CHECK-NEXT: ret <vscale x 2 x i64> [[A:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = call <vscale x 2 x i64> @llvm.aarch64.sve.mul.nxv2i64(<vscale x 2 x i1> [[PG:%.*]], <vscale x 2 x i64> shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 1, i32 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer), <vscale x 2 x i64> [[A:%.*]])
+; CHECK-NEXT: ret <vscale x 2 x i64> [[TMP1]]
;
%1 = call <vscale x 2 x i64> @llvm.aarch64.sve.dup.x.nxv2i64(i64 1)
; Different argument order to the above tests.