Files
clang-p2996/llvm/test/Transforms/Scalarizer/order-bug.ll
Mikael Holmen b6f76002d9 [PM] Port Scalarizer to the new pass manager.
Patch by: markus (Markus Lavin)

Reviewers: chandlerc, fedor.sergeev

Reviewed By: fedor.sergeev

Subscribers: llvm-commits, Ka-Ka, bjope

Differential Revision: https://reviews.llvm.org/D54695

llvm-svn: 347392
2018-11-21 14:00:17 +00:00

25 lines
863 B
LLVM

; RUN: opt %s -scalarizer -S -o - | FileCheck %s
; 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) {
entry:
%i = insertelement <4 x float> undef, float %a, i32 0
br label %z
y:
; CHECK: %f.upto0 = insertelement <4 x i32> undef, i32 %b.i0, i32 0
; CHECK: %f.upto1 = insertelement <4 x i32> %f.upto0, i32 %b.i0, i32 1
; CHECK: %f.upto2 = insertelement <4 x i32> %f.upto1, i32 %b.i0, i32 2
; CHECK: %f = insertelement <4 x i32> %f.upto2, i32 %b.i0, i32 3
%f = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer
ret <4 x i32> %f
z:
; CHECK: %b.i0 = bitcast float %a to i32
%b = bitcast <4 x float> %i to <4 x i32>
br label %y
}