llvm-6502/test/CodeGen/CellSPU/shuffles.ll
Kalle Raiskila ca9460f5a0 Fix a bug with insertelement on SPU.
The previous algorithm in LowerVECTOR_SHUFFLE 
didn't check all requirements for "monotonic" shuffles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111361 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 10:20:29 +00:00

34 lines
1.0 KiB
LLVM

; RUN: llc --march=cellspu < %s | FileCheck %s
define <4 x float> @shuffle(<4 x float> %param1, <4 x float> %param2) {
; CHECK: cwd {{\$.}}, 0($sp)
; CHECK: shufb {{\$., \$4, \$3, \$.}}
%val= shufflevector <4 x float> %param1, <4 x float> %param2, <4 x i32> <i32 4,i32 1,i32 2,i32 3>
ret <4 x float> %val
}
define <4 x float> @splat(float %param1) {
; CHECK: lqa
; CHECK: shufb $3
; CHECK: bi
%vec = insertelement <1 x float> undef, float %param1, i32 0
%val= shufflevector <1 x float> %vec, <1 x float> undef, <4 x i32> <i32 0,i32 0,i32 0,i32 0>
ret <4 x float> %val
}
define void @test_insert( <2 x float>* %ptr, float %val1, float %val2 ) {
%sl2_17_tmp1 = insertelement <2 x float> zeroinitializer, float %val1, i32 0
;CHECK: lqa $6,
;CHECK: shufb $4, $4, $5, $6
%sl2_17 = insertelement <2 x float> %sl2_17_tmp1, float %val2, i32 1
;CHECK: cdd $5, 0($3)
;CHECK: lqd $6, 0($3)
;CHECK: shufb $4, $4, $6, $5
;CHECK: stqd $4, 0($3)
;CHECK: bi $lr
store <2 x float> %sl2_17, <2 x float>* %ptr
ret void
}