25 lines
893 B
LLVM
25 lines
893 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i386-apple-macosx -mattr=+sse2 | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-apple-macosx -mattr=+sse2 | FileCheck %s --check-prefix=X64
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; We get this right for x86-64, but on x86-32 the code is less optimal.
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; See: https://github.com/llvm/llvm-project/issues/64174
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define noundef float @i8_to_fp(i8 noundef zeroext %0) {
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; X86-LABEL: i8_to_fp:
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; X86: ## %bb.0:
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; X86-NEXT: pushl %eax
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; X86-NEXT: .cfi_def_cfa_offset 8
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; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: cvtsi2ss %eax, %xmm0
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; X86-NEXT: movss %xmm0, (%esp)
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; X86-NEXT: flds (%esp)
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; X86-NEXT: popl %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: i8_to_fp:
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; X64: ## %bb.0:
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; X64-NEXT: cvtsi2ss %edi, %xmm0
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; X64-NEXT: retq
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%2 = uitofp i8 %0 to float
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ret float %2
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}
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