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516836f0c5
The operation action for i32 and i64 cannot be set to legal, as long double needs custom lowering. Patch by: mitch.l.bodart@intel.com Differential Revision: http://reviews.llvm.org/D12372 llvm-svn: 248114
133 lines
3.3 KiB
LLVM
133 lines
3.3 KiB
LLVM
; Verify that scalar integer conversions to FP compile successfully
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; (at one time long double failed with avx512f), and that reasonable
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; instruction sequences are selected based on subtarget features.
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; Due to the plethora of reasonable sequences we just check for
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; one key instruction, usually a cvt or fild, allowing the test
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; to be relatively easily updated when sequences are improved.
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;
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512_32
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512_64
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE2_32
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE2_64
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; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=-sse | FileCheck %s --check-prefix=CHECK --check-prefix=X87
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; CHECK-LABEL: u32_to_f
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; AVX512_32: vcvtusi2ssl
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; AVX512_64: vcvtusi2ssl
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; SSE2_32: cvtsd2ss
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; SSE2_64: cvtsi2ssq
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; X87: fildll
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define float @u32_to_f(i32 %a) nounwind {
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%r = uitofp i32 %a to float
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ret float %r
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}
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; CHECK-LABEL: s32_to_f
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; AVX512_32: vcvtsi2ssl
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; AVX512_64: vcvtsi2ssl
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; SSE2_32: cvtsi2ssl
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; SSE2_64: cvtsi2ssl
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; X87: fildl
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define float @s32_to_f(i32 %a) nounwind {
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%r = sitofp i32 %a to float
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ret float %r
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}
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; CHECK-LABEL: u32_to_d
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; AVX512_32: vcvtusi2sdl
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; AVX512_64: vcvtusi2sdl
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; SSE2_32: subsd
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; SSE2_64: cvtsi2sdq
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; X87: fildll
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define double @u32_to_d(i32 %a) nounwind {
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%r = uitofp i32 %a to double
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ret double %r
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}
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; CHECK-LABEL: s32_to_d
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; AVX512_32: vcvtsi2sdl
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; AVX512_64: vcvtsi2sdl
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; SSE2_32: cvtsi2sdl
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; SSE2_64: cvtsi2sdl
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; X87: fildl
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define double @s32_to_d(i32 %a) nounwind {
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%r = sitofp i32 %a to double
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ret double %r
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}
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; CHECK-LABEL: u32_to_x
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; AVX512_32: vsubsd
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; AVX512_64: vsubsd
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; SSE2_32: subsd
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; SSE2_64: fildll
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; X87: fildll
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define x86_fp80 @u32_to_x(i32 %a) nounwind {
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%r = uitofp i32 %a to x86_fp80
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ret x86_fp80 %r
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}
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; CHECK-LABEL: s32_to_x
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; CHECK: fildl
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define x86_fp80 @s32_to_x(i32 %a) nounwind {
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%r = sitofp i32 %a to x86_fp80
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ret x86_fp80 %r
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}
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; CHECK-LABEL: u64_to_f
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; AVX512_32: fildll
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; AVX512_64: vcvtusi2ssq
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; SSE2_32: fildll
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; SSE2_64: cvtsi2ssq
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; X87: fildll
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define float @u64_to_f(i64 %a) nounwind {
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%r = uitofp i64 %a to float
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ret float %r
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}
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; CHECK-LABEL: s64_to_f
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; AVX512_32: fildll
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; AVX512_64: vcvtsi2ssq
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; SSE2_32: fildll
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; SSE2_64: cvtsi2ssq
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; X87: fildll
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define float @s64_to_f(i64 %a) nounwind {
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%r = sitofp i64 %a to float
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ret float %r
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}
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; CHECK-LABEL: u64_to_d
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; AVX512_32: vpunpckldq
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; AVX512_64: vcvtusi2sdq
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; SSE2_32: punpckldq
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; SSE2_64: punpckldq
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; X87: fildll
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define double @u64_to_d(i64 %a) nounwind {
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%r = uitofp i64 %a to double
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ret double %r
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}
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; CHECK-LABEL: s64_to_d
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; AVX512_32: fildll
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; AVX512_64: vcvtsi2sdq
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; SSE2_32: fildll
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; SSE2_64: cvtsi2sdq
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; X87: fildll
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define double @s64_to_d(i64 %a) nounwind {
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%r = sitofp i64 %a to double
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ret double %r
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}
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; CHECK-LABEL: u64_to_x
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; CHECK: fildll
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define x86_fp80 @u64_to_x(i64 %a) nounwind {
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%r = uitofp i64 %a to x86_fp80
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ret x86_fp80 %r
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}
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; CHECK-LABEL: s64_to_x
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; CHECK: fildll
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define x86_fp80 @s64_to_x(i64 %a) nounwind {
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%r = sitofp i64 %a to x86_fp80
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ret x86_fp80 %r
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}
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