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author | Luke Lau <luke@igalia.com> | 2024-03-29 19:45:55 +0800 |
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committer | Luke Lau <luke@igalia.com> | 2024-03-29 19:47:09 +0800 |
commit | 76ba3c8e64ed33daf5ddf7d507cbbdeae7a50235 (patch) | |
tree | 6b12cda14475289a406bc2847ab1289de7f8196c | |
parent | 2a315d800bb352fe459a012006a42ac7cd63834e (diff) |
[RISCV] Add test case for vmerge fold for tied pseudos with rounding mode. NFC
-rw-r--r-- | llvm/test/CodeGen/RISCV/rvv/rvv-peephole-vmerge-vops.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/RISCV/rvv/rvv-peephole-vmerge-vops.ll b/llvm/test/CodeGen/RISCV/rvv/rvv-peephole-vmerge-vops.ll index 571e2df13c26..2cbc0f682ca0 100644 --- a/llvm/test/CodeGen/RISCV/rvv/rvv-peephole-vmerge-vops.ll +++ b/llvm/test/CodeGen/RISCV/rvv/rvv-peephole-vmerge-vops.ll @@ -1203,3 +1203,20 @@ define <vscale x 2 x i64> @vpmerge_vwsub.w_tied(<vscale x 2 x i64> %passthru, <v %b = call <vscale x 2 x i64> @llvm.vp.merge.nxv2i64(<vscale x 2 x i1> %mask, <vscale x 2 x i64> %a, <vscale x 2 x i64> %passthru, i32 %vl) ret <vscale x 2 x i64> %b } + +define <vscale x 2 x double> @vpmerge_vfwsub.w_tied(<vscale x 2 x double> %passthru, <vscale x 2 x double> %x, <vscale x 2 x float> %y, <vscale x 2 x i1> %mask, i32 zeroext %vl) { +; CHECK-LABEL: vpmerge_vfwsub.w_tied: +; CHECK: # %bb.0: +; CHECK-NEXT: vsetvli zero, a0, e32, m1, tu, ma +; CHECK-NEXT: fsrmi a0, 1 +; CHECK-NEXT: vmv2r.v v10, v8 +; CHECK-NEXT: vfwsub.wv v10, v10, v12 +; CHECK-NEXT: vsetvli zero, zero, e64, m2, tu, ma +; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0 +; CHECK-NEXT: fsrm a0 +; CHECK-NEXT: ret + %vl.zext = zext i32 %vl to i64 + %a = call <vscale x 2 x double> @llvm.riscv.vfwsub.w.nxv2f64.nxv2f32(<vscale x 2 x double> %passthru, <vscale x 2 x double> %passthru, <vscale x 2 x float> %y, i64 1, i64 %vl.zext) + %b = call <vscale x 2 x double> @llvm.vp.merge.nxv2f64(<vscale x 2 x i1> %mask, <vscale x 2 x double> %a, <vscale x 2 x double> %passthru, i32 %vl) + ret <vscale x 2 x double> %b +} |