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[X86] Remove some isel patterns that shouldn't be possible. 

These included a bitcast of a load from v4f32 to v2f64, but DAG combine should have already changed the type of the load to remove the cast.

llvm-svn: 344573
This commit is contained in:
Craig Topper 2018-10-15 23:34:58 +00:00
parent 079df9ab2c
commit e70c560b6d
2 changed files with 0 additions and 6 deletions
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2
llvm/lib/Target/X86/X86InstrAVX512.td
View File

@ -4421,8 +4421,6 @@ let Predicates = [HasAVX512] in {
(COPY_TO_REGCLASS (VMOVSDZrm addr:$src), VR128X)>;
def : Pat<(v2f64 (X86vzmovl (loadv2f64 addr:$src))),
(COPY_TO_REGCLASS (VMOVSDZrm addr:$src), VR128X)>;
def : Pat<(v2f64 (X86vzmovl (bc_v2f64 (loadv4f32 addr:$src)))),
(COPY_TO_REGCLASS (VMOVSDZrm addr:$src), VR128X)>;
def : Pat<(v2f64 (X86vzload addr:$src)),
(COPY_TO_REGCLASS (VMOVSDZrm addr:$src), VR128X)>;

4
llvm/lib/Target/X86/X86InstrSSE.td
View File

@ -265,8 +265,6 @@ let Predicates = [UseAVX] in {
(COPY_TO_REGCLASS (VMOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzmovl (loadv2f64 addr:$src))),
(COPY_TO_REGCLASS (VMOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzmovl (bc_v2f64 (loadv4f32 addr:$src)))),
(COPY_TO_REGCLASS (VMOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzload addr:$src)),
(COPY_TO_REGCLASS (VMOVSDrm addr:$src), VR128)>;
@ -349,8 +347,6 @@ let Predicates = [UseSSE2] in {
(COPY_TO_REGCLASS (MOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzmovl (loadv2f64 addr:$src))),
(COPY_TO_REGCLASS (MOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzmovl (bc_v2f64 (loadv4f32 addr:$src)))),
(COPY_TO_REGCLASS (MOVSDrm addr:$src), VR128)>;
def : Pat<(v2f64 (X86vzload addr:$src)),
(COPY_TO_REGCLASS (MOVSDrm addr:$src), VR128)>;
}