derek.holloway
7502bf64a4
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86 lines
2.7 KiB
LLVM
86 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lsx < %s | FileCheck %s --check-prefixes=CHECK,LA32
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; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s --check-prefixes=CHECK,LA64
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;; fptrunc
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define void @fptrunc_v1f64_to_v1f32(ptr %res, ptr %a0) nounwind {
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; CHECK-LABEL: fptrunc_v1f64_to_v1f32:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: fld.d $fa0, $a1, 0
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; CHECK-NEXT: fcvt.s.d $fa0, $fa0
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; CHECK-NEXT: fst.s $fa0, $a0, 0
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; CHECK-NEXT: ret
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entry:
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%v0 = load <1 x double>, ptr %a0
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%trunc = fptrunc <1 x double> %v0 to <1 x float>
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store <1 x float> %trunc, ptr %res
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ret void
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}
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define void @fptrunc_v2f64_to_v2f32(ptr %res, ptr %a0) nounwind {
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; LA32-LABEL: fptrunc_v2f64_to_v2f32:
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; LA32: # %bb.0: # %entry
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; LA32-NEXT: vld $vr0, $a1, 0
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; LA32-NEXT: vfcvt.s.d $vr0, $vr0, $vr0
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; LA32-NEXT: vstelm.w $vr0, $a0, 4, 1
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; LA32-NEXT: vstelm.w $vr0, $a0, 0, 0
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; LA32-NEXT: ret
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;
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; LA64-LABEL: fptrunc_v2f64_to_v2f32:
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; LA64: # %bb.0: # %entry
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; LA64-NEXT: vld $vr0, $a1, 0
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; LA64-NEXT: vfcvt.s.d $vr0, $vr0, $vr0
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; LA64-NEXT: vstelm.d $vr0, $a0, 0, 0
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; LA64-NEXT: ret
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entry:
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%v0 = load <2 x double>, ptr %a0
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%trunc = fptrunc <2 x double> %v0 to <2 x float>
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store <2 x float> %trunc, ptr %res
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ret void
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}
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define void @fptrunc_v4f64_to_v4f32(ptr %res, ptr %a0) nounwind {
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; CHECK-LABEL: fptrunc_v4f64_to_v4f32:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: vld $vr0, $a1, 0
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; CHECK-NEXT: vld $vr1, $a1, 16
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; CHECK-NEXT: vfcvt.s.d $vr0, $vr1, $vr0
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; CHECK-NEXT: vst $vr0, $a0, 0
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; CHECK-NEXT: ret
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entry:
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%v0 = load <4 x double>, ptr %a0
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%trunc = fptrunc <4 x double> %v0 to <4 x float>
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store <4 x float> %trunc, ptr %res
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ret void
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}
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define void @fptrunc_concat_bitcast(ptr %res, ptr %a0) nounwind {
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; CHECK-LABEL: fptrunc_concat_bitcast:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: vld $vr0, $a1, 0
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; CHECK-NEXT: vld $vr1, $a1, 16
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; CHECK-NEXT: vfcvt.s.d $vr0, $vr1, $vr0
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; CHECK-NEXT: vst $vr0, $a0, 0
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; CHECK-NEXT: ret
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entry:
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%x = load <4 x double>, ptr %a0
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; split to 2 x <2 x double>
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%lo = shufflevector <4 x double> %x, <4 x double> poison,
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<2 x i32> <i32 0, i32 1>
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%hi = shufflevector <4 x double> %x, <4 x double> poison,
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<2 x i32> <i32 2, i32 3>
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%r0 = fptrunc <2 x double> %lo to <2 x float>
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%r1 = fptrunc <2 x double> %hi to <2 x float>
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%i0 = bitcast <2 x float> %r0 to i64
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%i1 = bitcast <2 x float> %r1 to i64
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; concat as integer vector
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%cat0 = insertelement <2 x i64> poison, i64 %i0, i32 0
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%cat1 = insertelement <2 x i64> %cat0, i64 %i1, i32 1
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store <2 x i64> %cat1, ptr %res
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ret void
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}
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