maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[AArch64][GlobalISel] Make v4s32 G_IMPLICIT_DEF legal. 

llvm-svn: 356525
This commit is contained in:
Amara Emerson 2019-03-19 21:43:02 +00:00
parent e7effeed76
commit 18e2c5724a
2 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
View File

@ -48,7 +48,7 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST) {
const LLT v2s64 = LLT::vector(2, 64);
getActionDefinitionsBuilder(G_IMPLICIT_DEF)
.legalFor({p0, s1, s8, s16, s32, s64, v2s64})
.legalFor({p0, s1, s8, s16, s32, s64, v4s32, v2s64})
.clampScalar(0, s1, s64)
.widenScalarToNextPow2(0, 8)
.fewerElementsIf(

8
llvm/test/CodeGen/AArch64/GlobalISel/legalize-undef.mir
View File

@ -42,12 +42,8 @@ body: |
bb.0:
; CHECK-LABEL: name: test_implicit_def_v2s32
; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK: [[DEF1:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK: [[DEF2:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK: [[DEF3:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[DEF]](s32), [[DEF1]](s32), [[DEF2]](s32), [[DEF3]](s32)
; CHECK: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
; CHECK: [[DEF:%[0-9]+]]:_(<4 x s32>) = G_IMPLICIT_DEF
; CHECK: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[DEF]](<4 x s32>)
; CHECK: $x0 = COPY [[UV]](<2 x s32>)
; CHECK: $x1 = COPY [[UV1]](<2 x s32>)
%0:_(<4 x s32>) = G_IMPLICIT_DEF