[llvm] [RISCV] Match strided vector bases in RISCVGatherScatterLowering (PR #93972)
Philip Reames via llvm-commits
llvm-commits at lists.llvm.org
Fri May 31 10:11:59 PDT 2024
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@@ -301,10 +301,8 @@ define void @constant_stride(<vscale x 1 x i64> %x, ptr %p, i64 %stride) {
define <vscale x 1 x i64> @vector_base_scalar_offset(ptr %p, i64 %offset) {
; CHECK-LABEL: @vector_base_scalar_offset(
-; CHECK-NEXT: [[STEP:%.*]] = call <vscale x 1 x i64> @llvm.experimental.stepvector.nxv1i64()
-; CHECK-NEXT: [[PTRS1:%.*]] = getelementptr i64, ptr [[P:%.*]], <vscale x 1 x i64> [[STEP]]
-; CHECK-NEXT: [[PTRS2:%.*]] = getelementptr i64, <vscale x 1 x ptr> [[PTRS1]], i64 [[OFFSET:%.*]]
-; CHECK-NEXT: [[X:%.*]] = call <vscale x 1 x i64> @llvm.masked.gather.nxv1i64.nxv1p0(<vscale x 1 x ptr> [[PTRS2]], i32 8, <vscale x 1 x i1> shufflevector (<vscale x 1 x i1> insertelement (<vscale x 1 x i1> poison, i1 true, i64 0), <vscale x 1 x i1> poison, <vscale x 1 x i32> zeroinitializer), <vscale x 1 x i64> poison)
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i64, ptr [[P:%.*]], i64 [[OFFSET:%.*]]
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preames wrote:
Please add a test case or two with a base we can't match, and one with a matchable base, but non matchable indices to cover the bug noted in my comment above.
https://github.com/llvm/llvm-project/pull/93972
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