derek.holloway
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40 lines
2.3 KiB
LLVM
40 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv64 -mattr=+v -target-abi=lp64d -verify-machineinstrs < %s | FileCheck %s
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; (fsub (fmul x, y), z)) -> (fma x, y, (fneg z))
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define <vscale x 1 x double> @test1(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x double> %z, <vscale x 1 x i1> %m, i32 zeroext %vl) {
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; CHECK-LABEL: test1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vsetvli a0, zero, e64, m1, ta, ma
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; CHECK-NEXT: vfmsub.vv v8, v9, v10
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; CHECK-NEXT: ret
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%1 = call fast <vscale x 1 x double> @llvm.vp.fmul.nxv1f64(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x i1> %m, i32 %vl)
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%2 = call fast <vscale x 1 x double> @llvm.vp.fsub.nxv1f64(<vscale x 1 x double> %1, <vscale x 1 x double> %z, <vscale x 1 x i1> %m, i32 %vl)
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ret <vscale x 1 x double> %2
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}
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; (fsub z, (fmul x, y))) -> (fma (fneg y), x, z)
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define <vscale x 1 x double> @test2(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x double> %z, <vscale x 1 x i1> %m, i32 zeroext %vl) {
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; CHECK-LABEL: test2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vsetvli a0, zero, e64, m1, ta, ma
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; CHECK-NEXT: vfnmsub.vv v8, v9, v10
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; CHECK-NEXT: ret
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%1 = call fast <vscale x 1 x double> @llvm.vp.fmul.nxv1f64(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x i1> %m, i32 %vl)
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%2 = call fast <vscale x 1 x double> @llvm.vp.fsub.nxv1f64(<vscale x 1 x double> %z, <vscale x 1 x double> %1, <vscale x 1 x i1> %m, i32 %vl)
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ret <vscale x 1 x double> %2
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}
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; (fsub (fneg (fmul x, y))), z) -> (fma (fneg x), y, (fneg z))
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define <vscale x 1 x double> @test3(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x double> %z, <vscale x 1 x i1> %m, i32 zeroext %vl) {
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; CHECK-LABEL: test3:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vsetvli a0, zero, e64, m1, ta, ma
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; CHECK-NEXT: vfmsub.vv v8, v9, v10
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; CHECK-NEXT: ret
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%1 = call fast <vscale x 1 x double> @llvm.vp.fmul.nxv1f64(<vscale x 1 x double> %x, <vscale x 1 x double> %y, <vscale x 1 x i1> %m, i32 %vl)
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%2 = call fast <vscale x 1 x double> @llvm.vp.fneg.nxv1f64(<vscale x 1 x double> %1, <vscale x 1 x i1> %m, i32 %vl)
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%3 = call fast <vscale x 1 x double> @llvm.vp.fsub.nxv1f64(<vscale x 1 x double> %1, <vscale x 1 x double> %z, <vscale x 1 x i1> %m, i32 %vl)
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ret <vscale x 1 x double> %3
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}
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