mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
89 lines
3.0 KiB
LLVM
89 lines
3.0 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
%T = type <4 x float>
|
|
|
|
|
|
define %T @test1(%T %v1) {
|
|
; CHECK: @test1
|
|
; CHECK: ret %T %v1
|
|
%v2 = shufflevector %T %v1, %T undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
|
|
ret %T %v2
|
|
}
|
|
|
|
define %T @test2(%T %v1) {
|
|
; CHECK: @test2
|
|
; CHECK: ret %T %v1
|
|
%v2 = shufflevector %T %v1, %T %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
|
|
ret %T %v2
|
|
}
|
|
|
|
define float @test3(%T %A, %T %B, float %f) {
|
|
; CHECK: @test3
|
|
; CHECK: ret float %f
|
|
%C = insertelement %T %A, float %f, i32 0
|
|
%D = shufflevector %T %C, %T %B, <4 x i32> <i32 5, i32 0, i32 2, i32 7>
|
|
%E = extractelement %T %D, i32 1
|
|
ret float %E
|
|
}
|
|
|
|
define i32 @test4(<4 x i32> %X) {
|
|
; CHECK: @test4
|
|
; CHECK-NEXT: extractelement
|
|
; CHECK-NEXT: ret
|
|
%tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
%tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
|
|
ret i32 %tmp34
|
|
}
|
|
|
|
define i32 @test5(<4 x i32> %X) {
|
|
; CHECK: @test5
|
|
; CHECK-NEXT: extractelement
|
|
; CHECK-NEXT: ret
|
|
%tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 undef, i32 undef>
|
|
%tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
|
|
ret i32 %tmp34
|
|
}
|
|
|
|
define float @test6(<4 x float> %X) {
|
|
; CHECK: @test6
|
|
; CHECK-NEXT: extractelement
|
|
; CHECK-NEXT: ret
|
|
%X1 = bitcast <4 x float> %X to <4 x i32>
|
|
%tmp152.i53899.i = shufflevector <4 x i32> %X1, <4 x i32> undef, <4 x i32> zeroinitializer
|
|
%tmp152.i53900.i = bitcast <4 x i32> %tmp152.i53899.i to <4 x float>
|
|
%tmp34 = extractelement <4 x float> %tmp152.i53900.i, i32 0
|
|
ret float %tmp34
|
|
}
|
|
|
|
define <4 x float> @test7(<4 x float> %tmp45.i) {
|
|
; CHECK: @test7
|
|
; CHECK-NEXT: ret %T %tmp45.i
|
|
%tmp1642.i = shufflevector <4 x float> %tmp45.i, <4 x float> undef, <4 x i32> < i32 0, i32 1, i32 6, i32 7 >
|
|
ret <4 x float> %tmp1642.i
|
|
}
|
|
|
|
; This should turn into a single shuffle.
|
|
define <4 x float> @test8(<4 x float> %tmp, <4 x float> %tmp1) {
|
|
; CHECK: @test8
|
|
; CHECK-NEXT: shufflevector
|
|
; CHECK-NEXT: ret
|
|
%tmp4 = extractelement <4 x float> %tmp, i32 1
|
|
%tmp2 = extractelement <4 x float> %tmp, i32 3
|
|
%tmp1.upgrd.1 = extractelement <4 x float> %tmp1, i32 0
|
|
%tmp128 = insertelement <4 x float> undef, float %tmp4, i32 0
|
|
%tmp130 = insertelement <4 x float> %tmp128, float undef, i32 1
|
|
%tmp132 = insertelement <4 x float> %tmp130, float %tmp2, i32 2
|
|
%tmp134 = insertelement <4 x float> %tmp132, float %tmp1.upgrd.1, i32 3
|
|
ret <4 x float> %tmp134
|
|
}
|
|
|
|
; Test fold of two shuffles where the first shuffle vectors inputs are a
|
|
; different length then the second.
|
|
define <4 x i8> @test9(<16 x i8> %tmp6) nounwind {
|
|
; CHECK: @test9
|
|
; CHECK-NEXT: shufflevector
|
|
; CHECK-NEXT: ret
|
|
%tmp7 = shufflevector <16 x i8> %tmp6, <16 x i8> undef, <4 x i32> < i32 13, i32 9, i32 4, i32 13 > ; <<4 x i8>> [#uses=1]
|
|
%tmp9 = shufflevector <4 x i8> %tmp7, <4 x i8> undef, <4 x i32> < i32 3, i32 1, i32 2, i32 0 > ; <<4 x i8>> [#uses=1]
|
|
ret <4 x i8> %tmp9
|
|
} |