llvm-mirror/test/Transforms/Scalarizer/order-bug.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +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
}