40 lines
1.7 KiB
LLVM
40 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes=vector-combine -S %s | FileCheck %s
|
|
|
|
; Negative test for extract + cmp + binop - don't try this with scalable vectors.
|
|
; Moved from X86/extract-cmp-binop.ll
|
|
|
|
define i1 @extract_cmp_binop(<vscale x 4 x i32> %a) {
|
|
; CHECK-LABEL: @extract_cmp_binop(
|
|
; CHECK-NEXT: [[E1:%.*]] = extractelement <vscale x 4 x i32> [[A:%.*]], i32 3
|
|
; CHECK-NEXT: [[E2:%.*]] = extractelement <vscale x 4 x i32> [[A]], i32 1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[E1]], 42
|
|
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i32 [[E2]], -8
|
|
; CHECK-NEXT: [[R:%.*]] = xor i1 [[CMP1]], [[CMP2]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%e1 = extractelement <vscale x 4 x i32> %a, i32 3
|
|
%e2 = extractelement <vscale x 4 x i32> %a, i32 1
|
|
%cmp1 = icmp sgt i32 %e1, 42
|
|
%cmp2 = icmp sgt i32 %e2, -8
|
|
%r = xor i1 %cmp1, %cmp2
|
|
ret i1 %r
|
|
}
|
|
|
|
; Test that VectorCombine doesn't try to create a shufflevector for
|
|
; an extract-extract pattern on a scalable vector type.
|
|
define i32 @extract_extract(<vscale x 4 x i32> %vec) {
|
|
; CHECK-LABEL: @extract_extract(
|
|
; CHECK-NEXT: [[ELT0:%.*]] = extractelement <vscale x 4 x i32> [[VEC:%.*]], i32 0
|
|
; CHECK-NEXT: [[ELT1:%.*]] = extractelement <vscale x 4 x i32> [[VEC]], i32 1
|
|
; CHECK-NEXT: [[IDX:%.*]] = add i32 [[ELT0]], [[ELT1]]
|
|
; CHECK-NEXT: [[ELTIDX:%.*]] = extractelement <vscale x 4 x i32> [[VEC]], i32 [[IDX]]
|
|
; CHECK-NEXT: ret i32 [[ELTIDX]]
|
|
;
|
|
%elt0 = extractelement <vscale x 4 x i32> %vec, i32 0
|
|
%elt1 = extractelement <vscale x 4 x i32> %vec, i32 1
|
|
%idx = add i32 %elt0, %elt1
|
|
%eltidx = extractelement <vscale x 4 x i32> %vec, i32 %idx
|
|
ret i32 %eltidx;
|
|
}
|