derek.holloway
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109 lines
3.1 KiB
LLVM
109 lines
3.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
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; Verify that we don't crash with an assertion failure when constant folding
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; a call to intrinsic 'convert.from.fp16' if the return type is not 'float'.
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define float @fold_from_fp16_to_fp32() {
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; CHECK-LABEL: @fold_from_fp16_to_fp32(
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; CHECK-NEXT: ret float 0.000000e+00
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;
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%r = call float @llvm.convert.from.fp16.f32(i16 0)
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ret float %r
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}
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define double @fold_from_fp16_to_fp64() {
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; CHECK-LABEL: @fold_from_fp16_to_fp64(
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; CHECK-NEXT: ret double 0.000000e+00
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;
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%r = call double @llvm.convert.from.fp16.f64(i16 0)
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ret double %r
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}
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define x86_fp80 @fold_from_fp16_to_fp80() {
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; CHECK-LABEL: @fold_from_fp16_to_fp80(
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; CHECK-NEXT: ret x86_fp80 0.000000e+00
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;
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%r = call x86_fp80 @llvm.convert.from.fp16.f80(i16 0)
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ret x86_fp80 %r
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}
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define fp128 @fold_from_fp16_to_fp128() {
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; CHECK-LABEL: @fold_from_fp16_to_fp128(
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; CHECK-NEXT: ret fp128 0.000000e+00
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;
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%r = call fp128 @llvm.convert.from.fp16.f128(i16 0)
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ret fp128 %r
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}
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define ppc_fp128 @fold_from_fp16_to_ppcfp128() {
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; CHECK-LABEL: @fold_from_fp16_to_ppcfp128(
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; CHECK-NEXT: ret ppc_fp128 0.000000e+00
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;
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%r = call ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16 0)
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ret ppc_fp128 %r
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}
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define float @fold_from_fp16_to_fp32_b() {
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; CHECK-LABEL: @fold_from_fp16_to_fp32_b(
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; CHECK-NEXT: ret float 4.000000e+00
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;
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%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
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%r = call float @llvm.convert.from.fp16.f32(i16 %a)
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ret float %r
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}
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define double @fold_from_fp16_to_fp64_b() {
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; CHECK-LABEL: @fold_from_fp16_to_fp64_b(
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; CHECK-NEXT: ret double 4.000000e+00
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;
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%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
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%r = call double @llvm.convert.from.fp16.f64(i16 %a)
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ret double %r
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}
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define x86_fp80 @fold_from_fp16_to_fp80_b() {
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; CHECK-LABEL: @fold_from_fp16_to_fp80_b(
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; CHECK-NEXT: ret x86_fp80 4.000000e+00
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;
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%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
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%r = call x86_fp80 @llvm.convert.from.fp16.f80(i16 %a)
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ret x86_fp80 %r
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}
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define fp128 @fold_from_fp16_to_fp128_b() {
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; CHECK-LABEL: @fold_from_fp16_to_fp128_b(
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; CHECK-NEXT: ret fp128 4.000000e+00
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;
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%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
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%r = call fp128 @llvm.convert.from.fp16.f128(i16 %a)
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ret fp128 %r
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}
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define ppc_fp128 @fold_from_fp16_to_ppcfp128_b() {
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; CHECK-LABEL: @fold_from_fp16_to_ppcfp128_b(
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; CHECK-NEXT: ret ppc_fp128 4.000000e+00
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;
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%a = call i16 @llvm.convert.to.fp16.f64(double 4.0)
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%r = call ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16 %a)
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ret ppc_fp128 %r
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}
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; This would assert because converting SNAN causes an invalidOp status.
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; PR56981
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define float @convert_snan() {
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; CHECK-LABEL: @convert_snan(
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; CHECK-NEXT: ret float +nan(0x2000)
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;
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%r = call float @llvm.convert.from.fp16.f32(i16 31745) ; 0x7c01
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ret float %r
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}
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declare i16 @llvm.convert.to.fp16.f64(double)
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declare float @llvm.convert.from.fp16.f32(i16)
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declare double @llvm.convert.from.fp16.f64(i16)
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declare x86_fp80 @llvm.convert.from.fp16.f80(i16)
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declare fp128 @llvm.convert.from.fp16.f128(i16)
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declare ppc_fp128 @llvm.convert.from.fp16.ppcf128(i16)
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