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Fix Scalarizer handling of vector GEPs with multiple index operands

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The old code only worked for one index operand.  Also handle "inbounds".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197908 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-12-23 14:45:00 +00:00
parent 26f1d1cbbc
commit b09beed540
2 changed files with 64 additions and 11 deletions
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32
test/Transforms/Scalarizer/basic.ll
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@@ -382,6 +382,38 @@ define void @f12(<4 x i32> *%dest, <4 x i32> *%src, i32 %index) {
ret void
}
; Test vector GEPs with more than one index.
define void @f13(<4 x float *> *%dest, <4 x [4 x float] *> %ptr, <4 x i32> %i,
float *%other) {
; CHECK-LABEL: @f13(
; CHECK: %dest.i0 = bitcast <4 x float*>* %dest to float**
; CHECK: %dest.i1 = getelementptr float** %dest.i0, i32 1
; CHECK: %dest.i2 = getelementptr float** %dest.i0, i32 2
; CHECK: %dest.i3 = getelementptr float** %dest.i0, i32 3
; CHECK: %i.i0 = extractelement <4 x i32> %i, i32 0
; CHECK: %ptr.i0 = extractelement <4 x [4 x float]*> %ptr, i32 0
; CHECK: %val.i0 = getelementptr inbounds [4 x float]* %ptr.i0, i32 0, i32 %i.i0
; CHECK: %i.i1 = extractelement <4 x i32> %i, i32 1
; CHECK: %ptr.i1 = extractelement <4 x [4 x float]*> %ptr, i32 1
; CHECK: %val.i1 = getelementptr inbounds [4 x float]* %ptr.i1, i32 1, i32 %i.i1
; CHECK: %i.i2 = extractelement <4 x i32> %i, i32 2
; CHECK: %ptr.i2 = extractelement <4 x [4 x float]*> %ptr, i32 2
; CHECK: %val.i2 = getelementptr inbounds [4 x float]* %ptr.i2, i32 2, i32 %i.i2
; CHECK: %i.i3 = extractelement <4 x i32> %i, i32 3
; CHECK: %ptr.i3 = extractelement <4 x [4 x float]*> %ptr, i32 3
; CHECK: %val.i3 = getelementptr inbounds [4 x float]* %ptr.i3, i32 3, i32 %i.i3
; CHECK: store float* %val.i0, float** %dest.i0, align 32
; CHECK: store float* %val.i1, float** %dest.i1, align 8
; CHECK: store float* %val.i2, float** %dest.i2, align 16
; CHECK: store float* %val.i3, float** %dest.i3, align 8
; CHECK: ret void
%val = getelementptr inbounds <4 x [4 x float] *> %ptr,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>,
<4 x i32> %i
store <4 x float *> %val, <4 x float *> *%dest
ret void
}
!0 = metadata !{ metadata !"root" }
!1 = metadata !{ metadata !"set1", metadata !0 }
!2 = metadata !{ metadata !"set2", metadata !0 }