llvm-6502/test/Transforms/ScalarRepl/vector_promote.ll
Cameron Zwarich 9827b78b51 Do some simple copy propagation through integer loads and stores when promoting
vector types. This helps a lot with inlined functions when using the ARM soft
float ABI. Fixes <rdar://problem/9184212>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29 05:19:52 +00:00

205 lines
6.5 KiB
LLVM

; RUN: opt < %s -scalarrepl -S | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "x86_64-apple-darwin10.0.0"
define void @test1(<4 x float>* %F, float %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=3]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%G.upgrd.1 = getelementptr <4 x float>* %G, i32 0, i32 0 ; <float*> [#uses=1]
store float %f, float* %G.upgrd.1
%tmp4 = load <4 x float>* %G ; <<4 x float>> [#uses=2]
%tmp6 = fadd <4 x float> %tmp4, %tmp4 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp6, <4 x float>* %F
ret void
; CHECK: @test1
; CHECK-NOT: alloca
; CHECK: %tmp = load <4 x float>* %F
; CHECK: fadd <4 x float> %tmp, %tmp
; CHECK-NEXT: insertelement <4 x float> %tmp3, float %f, i32 0
}
define void @test2(<4 x float>* %F, float %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=3]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%tmp.upgrd.2 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
store float %f, float* %tmp.upgrd.2
%tmp4 = load <4 x float>* %G ; <<4 x float>> [#uses=2]
%tmp6 = fadd <4 x float> %tmp4, %tmp4 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp6, <4 x float>* %F
ret void
; CHECK: @test2
; CHECK-NOT: alloca
; CHECK: %tmp = load <4 x float>* %F
; CHECK: fadd <4 x float> %tmp, %tmp
; CHECK-NEXT: insertelement <4 x float> %tmp3, float %f, i32 2
}
define void @test3(<4 x float>* %F, float* %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=2]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%tmp.upgrd.3 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
%tmp.upgrd.4 = load float* %tmp.upgrd.3 ; <float> [#uses=1]
store float %tmp.upgrd.4, float* %f
ret void
; CHECK: @test3
; CHECK-NOT: alloca
; CHECK: %tmp = load <4 x float>* %F
; CHECK: fadd <4 x float> %tmp, %tmp
; CHECK-NEXT: extractelement <4 x float> %tmp3, i32 2
}
define void @test4(<4 x float>* %F, float* %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=2]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%G.upgrd.5 = getelementptr <4 x float>* %G, i32 0, i32 0 ; <float*> [#uses=1]
%tmp.upgrd.6 = load float* %G.upgrd.5 ; <float> [#uses=1]
store float %tmp.upgrd.6, float* %f
ret void
; CHECK: @test4
; CHECK-NOT: alloca
; CHECK: %tmp = load <4 x float>* %F
; CHECK: fadd <4 x float> %tmp, %tmp
; CHECK-NEXT: extractelement <4 x float> %tmp3, i32 0
}
define i32 @test5(float %X) { ;; should turn into bitcast.
%X_addr = alloca [4 x float]
%X1 = getelementptr [4 x float]* %X_addr, i32 0, i32 2
store float %X, float* %X1
%a = bitcast float* %X1 to i32*
%tmp = load i32* %a
ret i32 %tmp
; CHECK: @test5
; CHECK-NEXT: bitcast float %X to i32
; CHECK-NEXT: ret i32
}
define i64 @test6(<2 x float> %X) {
%X_addr = alloca <2 x float>
store <2 x float> %X, <2 x float>* %X_addr
%P = bitcast <2 x float>* %X_addr to i64*
%tmp = load i64* %P
ret i64 %tmp
; CHECK: @test6
; CHECK: bitcast <2 x float> %X to i64
; CHECK: ret i64
}
define float @test7(<4 x float> %x) {
%a = alloca <4 x float>
store <4 x float> %x, <4 x float>* %a
%p = bitcast <4 x float>* %a to <2 x float>*
%b = load <2 x float>* %p
%q = getelementptr <4 x float>* %a, i32 0, i32 2
%c = load float* %q
ret float %c
; CHECK: @test7
; CHECK-NOT: alloca
; CHECK: bitcast <4 x float> %x to <2 x double>
; CHECK-NEXT: extractelement <2 x double>
; CHECK-NEXT: bitcast double %tmp4 to <2 x float>
; CHECK-NEXT: extractelement <4 x float>
}
define void @test8(<4 x float> %x, <2 x float> %y) {
%a = alloca <4 x float>
store <4 x float> %x, <4 x float>* %a
%p = bitcast <4 x float>* %a to <2 x float>*
store <2 x float> %y, <2 x float>* %p
ret void
; CHECK: @test8
; CHECK-NOT: alloca
; CHECK: bitcast <4 x float> %x to <2 x double>
; CHECK-NEXT: bitcast <2 x float> %y to double
; CHECK-NEXT: insertelement <2 x double>
; CHECK-NEXT: bitcast <2 x double> %tmp2 to <4 x float>
}
define i256 @test9(<4 x i256> %x) {
%a = alloca <4 x i256>
store <4 x i256> %x, <4 x i256>* %a
%p = bitcast <4 x i256>* %a to <2 x i256>*
%b = load <2 x i256>* %p
%q = getelementptr <4 x i256>* %a, i32 0, i32 2
%c = load i256* %q
ret i256 %c
; CHECK: @test9
; CHECK-NOT: alloca
; CHECK: bitcast <4 x i256> %x to <2 x i512>
; CHECK-NEXT: extractelement <2 x i512>
; CHECK-NEXT: bitcast i512 %tmp4 to <2 x i256>
; CHECK-NEXT: extractelement <4 x i256>
}
define void @test10(<4 x i256> %x, <2 x i256> %y) {
%a = alloca <4 x i256>
store <4 x i256> %x, <4 x i256>* %a
%p = bitcast <4 x i256>* %a to <2 x i256>*
store <2 x i256> %y, <2 x i256>* %p
ret void
; CHECK: @test10
; CHECK-NOT: alloca
; CHECK: bitcast <4 x i256> %x to <2 x i512>
; CHECK-NEXT: bitcast <2 x i256> %y to i512
; CHECK-NEXT: insertelement <2 x i512>
; CHECK-NEXT: bitcast <2 x i512> %tmp2 to <4 x i256>
}
%union.v = type { <2 x i64> }
define void @test11(<2 x i64> %x) {
%a = alloca %union.v
%p = getelementptr inbounds %union.v* %a, i32 0, i32 0
store <2 x i64> %x, <2 x i64>* %p, align 16
%q = getelementptr inbounds %union.v* %a, i32 0, i32 0
%r = bitcast <2 x i64>* %q to <4 x float>*
%b = load <4 x float>* %r, align 16
ret void
; CHECK: @test11
; CHECK-NOT: alloca
}
define void @test12() {
entry:
%a = alloca <64 x i8>, align 64
store <64 x i8> undef, <64 x i8>* %a, align 64
%p = bitcast <64 x i8>* %a to <16 x i8>*
%0 = load <16 x i8>* %p, align 64
store <16 x i8> undef, <16 x i8>* %p, align 64
%q = bitcast <16 x i8>* %p to <64 x i8>*
%1 = load <64 x i8>* %q, align 64
ret void
; CHECK: @test12
; CHECK-NOT: alloca
; CHECK: extractelement <4 x i128>
; CHECK: insertelement <4 x i128>
}
define float @test13(<4 x float> %x, <2 x i32> %y) {
%a = alloca <4 x float>
store <4 x float> %x, <4 x float>* %a
%p = bitcast <4 x float>* %a to <2 x float>*
%b = load <2 x float>* %p
%q = getelementptr <4 x float>* %a, i32 0, i32 2
%c = load float* %q
%r = bitcast <4 x float>* %a to <2 x i32>*
store <2 x i32> %y, <2 x i32>* %r
ret float %c
; CHECK: @test13
; CHECK-NOT: alloca
; CHECK: bitcast <4 x float> %x to i128
}