diff options
| 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.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.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-int-float-conversion.ll | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-int-float-conversion.ll b/llvm/test/CodeGen/X86/fast-isel-int-float-conversion.ll index d37a85843f1..6c8df695749 100644 --- a/llvm/test/CodeGen/X86/fast-isel-int-float-conversion.ll +++ b/llvm/test/CodeGen/X86/fast-isel-int-float-conversion.ll @@ -43,7 +43,8 @@ define double @int_to_double_rr(i32 %a) { ; AVX_X86-NEXT: .cfi_def_cfa_register %ebp ; AVX_X86-NEXT: andl $-8, %esp ; AVX_X86-NEXT: subl $8, %esp -; AVX_X86-NEXT: vcvtsi2sdl 8(%ebp), %xmm0, %xmm0 +; AVX_X86-NEXT: movl 8(%ebp), %eax +; AVX_X86-NEXT: vcvtsi2sdl %eax, %xmm0, %xmm0 ; AVX_X86-NEXT: vmovsd %xmm0, (%esp) ; AVX_X86-NEXT: fldl (%esp) ; AVX_X86-NEXT: movl %ebp, %esp @@ -64,7 +65,8 @@ define double @int_to_double_rm(i32* %a) { ; ; AVX-LABEL: int_to_double_rm: ; AVX: # %bb.0: # %entry -; AVX-NEXT: vcvtsi2sdl (%rdi), %xmm0, %xmm0 +; AVX-NEXT: movl (%rdi), %eax +; AVX-NEXT: vcvtsi2sdl %eax, %xmm0, %xmm0 ; AVX-NEXT: retq ; ; SSE2_X86-LABEL: int_to_double_rm: @@ -187,7 +189,8 @@ define float @int_to_float_rr(i32 %a) { ; AVX_X86: # %bb.0: # %entry ; AVX_X86-NEXT: pushl %eax ; AVX_X86-NEXT: .cfi_def_cfa_offset 8 -; AVX_X86-NEXT: vcvtsi2ssl {{[0-9]+}}(%esp), %xmm0, %xmm0 +; AVX_X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; AVX_X86-NEXT: vcvtsi2ssl %eax, %xmm0, %xmm0 ; AVX_X86-NEXT: vmovss %xmm0, (%esp) ; AVX_X86-NEXT: flds (%esp) ; AVX_X86-NEXT: popl %eax @@ -207,7 +210,8 @@ define float @int_to_float_rm(i32* %a) { ; ; AVX-LABEL: int_to_float_rm: ; AVX: # %bb.0: # %entry -; AVX-NEXT: vcvtsi2ssl (%rdi), %xmm0, %xmm0 +; AVX-NEXT: movl (%rdi), %eax +; AVX-NEXT: vcvtsi2ssl %eax, %xmm0, %xmm0 ; AVX-NEXT: retq ; ; SSE2_X86-LABEL: int_to_float_rm: |
