56c091ea71
This brings the printing of scalable vector constant splats inline with their fixed length counterparts.
52 lines
2.0 KiB
LLVM
52 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
|
|
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
|
|
|
|
define i8 @definitely_in_bounds() {
|
|
; CHECK-LABEL: define i8 @definitely_in_bounds() {
|
|
; CHECK-NEXT: ret i8 0
|
|
;
|
|
ret i8 extractelement (<vscale x 16 x i8> zeroinitializer, i64 15)
|
|
}
|
|
|
|
define i8 @maybe_in_bounds() {
|
|
; CHECK-LABEL: define i8 @maybe_in_bounds() {
|
|
; CHECK-NEXT: ret i8 extractelement (<vscale x 16 x i8> zeroinitializer, i64 16)
|
|
;
|
|
ret i8 extractelement (<vscale x 16 x i8> zeroinitializer, i64 16)
|
|
}
|
|
|
|
; Examples of extracting a lane from a splat constant
|
|
|
|
define i32 @extractconstant_shuffle_in_range(i32 %v) {
|
|
; CHECK-LABEL: define i32 @extractconstant_shuffle_in_range(
|
|
; CHECK-SAME: i32 [[V:%.*]]) {
|
|
; CHECK-NEXT: ret i32 1024
|
|
;
|
|
%in = insertelement <vscale x 4 x i32> undef, i32 1024, i32 0
|
|
%splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%r = extractelement <vscale x 4 x i32> %splat, i32 1
|
|
ret i32 %r
|
|
}
|
|
|
|
define i32 @extractconstant_shuffle_maybe_out_of_range(i32 %v) {
|
|
; CHECK-LABEL: define i32 @extractconstant_shuffle_maybe_out_of_range(
|
|
; CHECK-SAME: i32 [[V:%.*]]) {
|
|
; CHECK-NEXT: ret i32 extractelement (<vscale x 4 x i32> splat (i32 1024), i32 4)
|
|
;
|
|
%in = insertelement <vscale x 4 x i32> undef, i32 1024, i32 0
|
|
%splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%r = extractelement <vscale x 4 x i32> %splat, i32 4
|
|
ret i32 %r
|
|
}
|
|
|
|
define i32 @extractconstant_shuffle_invalid_index(i32 %v) {
|
|
; CHECK-LABEL: define i32 @extractconstant_shuffle_invalid_index(
|
|
; CHECK-SAME: i32 [[V:%.*]]) {
|
|
; CHECK-NEXT: ret i32 extractelement (<vscale x 4 x i32> splat (i32 1024), i32 -1)
|
|
;
|
|
%in = insertelement <vscale x 4 x i32> undef, i32 1024, i32 0
|
|
%splat = shufflevector <vscale x 4 x i32> %in, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
|
|
%r = extractelement <vscale x 4 x i32> %splat, i32 -1
|
|
ret i32 %r
|
|
}
|