Nicolai Hähnle d0a125a1e6 Scalarizer: use the canonical form of {extract,insert}element
This leads to a bunch of trivial test churn, plus some extra test changes
that are purely due to update_test_checks.

Pulled out of https://reviews.llvm.org/D149842 as a preparatory change.

Differential Revision: https://reviews.llvm.org/D149944
2023-05-05 13:05:31 +02:00

33 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt %s -passes='function(scalarizer)' -S -o - | FileCheck %s
; This input caused the scalarizer to replace & erase gathered results when
; future gathered results depended on them being alive
define dllexport spir_func <4 x i32> @main(float %a) {
; CHECK-LABEL: @main(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[Z:%.*]]
; CHECK: y:
; CHECK-NEXT: [[F_UPTO0:%.*]] = insertelement <4 x i32> poison, i32 [[B_I0:%.*]], i64 0
; CHECK-NEXT: [[F_UPTO1:%.*]] = insertelement <4 x i32> [[F_UPTO0]], i32 [[B_I0]], i64 1
; CHECK-NEXT: [[F_UPTO2:%.*]] = insertelement <4 x i32> [[F_UPTO1]], i32 [[B_I0]], i64 2
; CHECK-NEXT: [[F:%.*]] = insertelement <4 x i32> [[F_UPTO2]], i32 [[B_I0]], i64 3
; CHECK-NEXT: ret <4 x i32> [[F]]
; CHECK: z:
; CHECK-NEXT: [[B_I0]] = bitcast float [[A:%.*]] to i32
; CHECK-NEXT: br label [[Y:%.*]]
;
entry:
%i = insertelement <4 x float> undef, float %a, i32 0
br label %z
y:
%f = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer
ret <4 x i32> %f
z:
%b = bitcast <4 x float> %i to <4 x i32>
br label %y
}