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-rw-r--r--llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp7
-rw-r--r--llvm/test/CodeGen/RISCV/rvv/vl-opt-instrs.ll120
2 files changed, 127 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp b/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
index dcd02cd..976c65e 100644
--- a/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
+++ b/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
@@ -1022,6 +1022,13 @@ static bool isSupportedInstr(const MachineInstr &MI) {
case RISCV::VFMIN_VV:
case RISCV::VFMAX_VF:
case RISCV::VFMAX_VV:
+ // Vector Floating-Point Sign-Injection Instructions
+ case RISCV::VFSGNJ_VF:
+ case RISCV::VFSGNJ_VV:
+ case RISCV::VFSGNJN_VV:
+ case RISCV::VFSGNJN_VF:
+ case RISCV::VFSGNJX_VF:
+ case RISCV::VFSGNJX_VV:
// Vector Floating-Point Compare Instructions
case RISCV::VMFEQ_VF:
case RISCV::VMFEQ_VV:
diff --git a/llvm/test/CodeGen/RISCV/rvv/vl-opt-instrs.ll b/llvm/test/CodeGen/RISCV/rvv/vl-opt-instrs.ll
index 7b9c042..5ca2be8 100644
--- a/llvm/test/CodeGen/RISCV/rvv/vl-opt-instrs.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/vl-opt-instrs.ll
@@ -3911,3 +3911,123 @@ define <vscale x 4 x float> @vfmin_vx(<vscale x 4 x float> %a, float %b, iXLen %
%2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %a, iXLen 7, iXLen %vl)
ret <vscale x 4 x float> %2
}
+
+define <vscale x 4 x float> @vfsgnj_vv(<vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnj_vv:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnj.vv v8, v8, v10
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v8, v10
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnj_vv:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnj.vv v8, v8, v10
+; VLOPT-NEXT: vfadd.vv v8, v8, v10
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnj.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %b, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
+
+define <vscale x 4 x float> @vfsgnj_vf(<vscale x 4 x float> %a, float %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnj_vf:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnj.vf v10, v8, fa0
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v10, v8
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnj_vf:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnj.vf v10, v8, fa0
+; VLOPT-NEXT: vfadd.vv v8, v10, v8
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnj.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, float %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %a, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
+
+define <vscale x 4 x float> @vfsgnjn_vv(<vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnjn_vv:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnjn.vv v8, v8, v10
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v8, v10
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnjn_vv:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnjn.vv v8, v8, v10
+; VLOPT-NEXT: vfadd.vv v8, v8, v10
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnjn.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %b, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
+
+define <vscale x 4 x float> @vfsgnjn_vf(<vscale x 4 x float> %a, float %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnjn_vf:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnjn.vf v10, v8, fa0
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v10, v8
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnjn_vf:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnjn.vf v10, v8, fa0
+; VLOPT-NEXT: vfadd.vv v8, v10, v8
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnjn.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, float %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %a, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
+
+define <vscale x 4 x float> @vfsgnjx_vv(<vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnjx_vv:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnjx.vv v8, v8, v10
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v8, v10
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnjx_vv:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnjx.vv v8, v8, v10
+; VLOPT-NEXT: vfadd.vv v8, v8, v10
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnjx.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, <vscale x 4 x float> %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %b, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
+
+define <vscale x 4 x float> @vfsgnjx_vf(<vscale x 4 x float> %a, float %b, iXLen %vl) {
+; NOVLOPT-LABEL: vfsgnjx_vf:
+; NOVLOPT: # %bb.0:
+; NOVLOPT-NEXT: vsetvli a1, zero, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfsgnjx.vf v10, v8, fa0
+; NOVLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; NOVLOPT-NEXT: vfadd.vv v8, v10, v8
+; NOVLOPT-NEXT: ret
+;
+; VLOPT-LABEL: vfsgnjx_vf:
+; VLOPT: # %bb.0:
+; VLOPT-NEXT: vsetvli zero, a0, e32, m2, ta, ma
+; VLOPT-NEXT: vfsgnjx.vf v10, v8, fa0
+; VLOPT-NEXT: vfadd.vv v8, v10, v8
+; VLOPT-NEXT: ret
+ %1 = call <vscale x 4 x float> @llvm.riscv.vfsgnjx.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %a, float %b, iXLen -1)
+ %2 = call <vscale x 4 x float> @llvm.riscv.vfadd.nxv4f32.nxv4f32(<vscale x 4 x float> poison, <vscale x 4 x float> %1, <vscale x 4 x float> %a, iXLen 7, iXLen %vl)
+ ret <vscale x 4 x float> %2
+}
generated by cgit v1.1 at 2026-01-06 03:41:05 +0000