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| author | Tomasz Krupa <tomasz.krupa@intel.com> | 2018-06-07 08:48:45 +0000 |
|---|---|---|
| committer | Tomasz Krupa <tomasz.krupa@intel.com> | 2018-06-07 08:48:45 +0000 |
| commit | f8c76370274e4367396d3ed73023225ccd4beace (patch) | |
| tree | bba7c5771c08f41d75fe6a3cffca863ebc646314 /llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll | |
| parent | 1a83d067687e2f5eb04b9692d2a59b283d3371eb (diff) | |
| download | bcm5719-llvm-f8c76370274e4367396d3ed73023225ccd4beace.tar.gz bcm5719-llvm-f8c76370274e4367396d3ed73023225ccd4beace.zip | |
[X86] Block UndefRegUpdate
Summary: Prevent folding of operations with memory loads when one of the sources has undefined register update.
Reviewers: craig.topper
Subscribers: llvm-commits, mike.dvoretsky, ashlykov
Differential Revision: https://reviews.llvm.org/D47621
llvm-svn: 334175
Diffstat (limited to 'llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll b/llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll index 509a5cfe931..6cca2101456 100644 --- a/llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll +++ b/llvm/test/CodeGen/X86/fast-isel-int-float-conversion-x86-64.ll @@ -27,7 +27,8 @@ define double @long_to_double_rm(i64* %a) { ; ; AVX-LABEL: long_to_double_rm: ; AVX: # %bb.0: # %entry -; AVX-NEXT: vcvtsi2sdq (%rdi), %xmm0, %xmm0 +; AVX-NEXT: movq (%rdi), %rax +; AVX-NEXT: vcvtsi2sdq %rax, %xmm0, %xmm0 ; AVX-NEXT: retq entry: %0 = load i64, i64* %a @@ -75,7 +76,8 @@ define float @long_to_float_rm(i64* %a) { ; ; AVX-LABEL: long_to_float_rm: ; AVX: # %bb.0: # %entry -; AVX-NEXT: vcvtsi2ssq (%rdi), %xmm0, %xmm0 +; AVX-NEXT: movq (%rdi), %rax +; AVX-NEXT: vcvtsi2ssq %rax, %xmm0, %xmm0 ; AVX-NEXT: retq entry: %0 = load i64, i64* %a |
