61da80584d
Preventing the load fold won't fix the partial register update since the input we can fold is a GPR. So it will do nothing to prevent a false dependency on an XMM register. llvm-svn: 354193
68 lines
1.7 KiB
LLVM
68 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown-unknown -mcpu=generic -mattr=+avx512f -fast-isel --fast-isel-abort=1 < %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX
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define double @long_to_double_rr(i64 %a) {
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; ALL-LABEL: long_to_double_rr:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2sdq %rdi, %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = uitofp i64 %a to double
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ret double %0
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}
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define double @long_to_double_rm(i64* %a) {
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; ALL-LABEL: long_to_double_rm:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2sdq (%rdi), %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = load i64, i64* %a
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%1 = uitofp i64 %0 to double
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ret double %1
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}
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define double @long_to_double_rm_optsize(i64* %a) optsize {
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; ALL-LABEL: long_to_double_rm_optsize:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2sdq (%rdi), %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = load i64, i64* %a
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%1 = uitofp i64 %0 to double
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ret double %1
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}
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define float @long_to_float_rr(i64 %a) {
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; ALL-LABEL: long_to_float_rr:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2ssq %rdi, %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = uitofp i64 %a to float
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ret float %0
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}
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define float @long_to_float_rm(i64* %a) {
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; ALL-LABEL: long_to_float_rm:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2ssq (%rdi), %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = load i64, i64* %a
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%1 = uitofp i64 %0 to float
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ret float %1
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}
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define float @long_to_float_rm_optsize(i64* %a) optsize {
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; ALL-LABEL: long_to_float_rm_optsize:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: vcvtusi2ssq (%rdi), %xmm0, %xmm0
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; ALL-NEXT: retq
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entry:
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%0 = load i64, i64* %a
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%1 = uitofp i64 %0 to float
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ret float %1
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}
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