24 lines
814 B
LLVM
24 lines
814 B
LLVM
; 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> poison, 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
|
|
}
|