diff options
Diffstat (limited to 'llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll')
| -rw-r--r-- | llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll b/llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll index d9b5583f5bb6..a58822bb3b7e 100644 --- a/llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll +++ b/llvm/test/CodeGen/RISCV/rvv/vsplats-fp.ll @@ -105,3 +105,22 @@ define <vscale x 8 x double> @vsplat_zero_nxv8f64() { %splat = shufflevector <vscale x 8 x double> %head, <vscale x 8 x double> undef, <vscale x 8 x i32> zeroinitializer ret <vscale x 8 x double> %splat } + +; Test that we fold this to a vlse with 0 stride. +define <vscale x 8 x float> @vsplat_load_nxv8f32(float* %ptr) { +; RV32V-LABEL: vsplat_load_nxv8f32: +; RV32V: # %bb.0: +; RV32V-NEXT: vsetvli a1, zero, e32, m4, ta, mu +; RV32V-NEXT: vlse32.v v8, (a0), zero +; RV32V-NEXT: ret +; +; RV64V-LABEL: vsplat_load_nxv8f32: +; RV64V: # %bb.0: +; RV64V-NEXT: vsetvli a1, zero, e32, m4, ta, mu +; RV64V-NEXT: vlse32.v v8, (a0), zero +; RV64V-NEXT: ret + %f = load float, float* %ptr + %head = insertelement <vscale x 8 x float> undef, float %f, i32 0 + %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> undef, <vscale x 8 x i32> zeroinitializer + ret <vscale x 8 x float> %splat +} |