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https://github.com/RPCS3/llvm-mirror.git
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8689a52c10
callee-saved registers at the end of the lists. Also prefer to avoid using the low registers that are in register subclasses required by certain instructions, so that those registers will more likely be available when needed. This change makes a huge improvement in spilling in some cases. Thanks to Jakob for helping me realize the problem. Most of this patch is fixing the testsuite. There are quite a few places where we're checking for specific registers. I changed those to wildcards in places where that doesn't weaken the tests. The spill-q.ll and thumb2-spill-q.ll tests stopped spilling with this change, so I added a bunch of live values to force spills on those tests. llvm-svn: 116055
105 lines
3.2 KiB
LLVM
105 lines
3.2 KiB
LLVM
; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
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define void @vst1i8(i8* %A, <8 x i8>* %B) nounwind {
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;CHECK: vst1i8:
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;Check the alignment value. Max for this instruction is 64 bits:
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;CHECK: vst1.8 {d16}, [r0, :64]
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%tmp1 = load <8 x i8>* %B
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call void @llvm.arm.neon.vst1.v8i8(i8* %A, <8 x i8> %tmp1, i32 16)
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ret void
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}
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define void @vst1i16(i16* %A, <4 x i16>* %B) nounwind {
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;CHECK: vst1i16:
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;CHECK: vst1.16
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%tmp0 = bitcast i16* %A to i8*
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%tmp1 = load <4 x i16>* %B
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call void @llvm.arm.neon.vst1.v4i16(i8* %tmp0, <4 x i16> %tmp1, i32 1)
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ret void
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}
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define void @vst1i32(i32* %A, <2 x i32>* %B) nounwind {
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;CHECK: vst1i32:
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;CHECK: vst1.32
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%tmp0 = bitcast i32* %A to i8*
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%tmp1 = load <2 x i32>* %B
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call void @llvm.arm.neon.vst1.v2i32(i8* %tmp0, <2 x i32> %tmp1, i32 1)
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ret void
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}
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define void @vst1f(float* %A, <2 x float>* %B) nounwind {
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;CHECK: vst1f:
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;CHECK: vst1.32
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%tmp0 = bitcast float* %A to i8*
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%tmp1 = load <2 x float>* %B
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call void @llvm.arm.neon.vst1.v2f32(i8* %tmp0, <2 x float> %tmp1, i32 1)
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ret void
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}
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define void @vst1i64(i64* %A, <1 x i64>* %B) nounwind {
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;CHECK: vst1i64:
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;CHECK: vst1.64
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%tmp0 = bitcast i64* %A to i8*
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%tmp1 = load <1 x i64>* %B
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call void @llvm.arm.neon.vst1.v1i64(i8* %tmp0, <1 x i64> %tmp1, i32 1)
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ret void
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}
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define void @vst1Qi8(i8* %A, <16 x i8>* %B) nounwind {
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;CHECK: vst1Qi8:
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;Check the alignment value. Max for this instruction is 128 bits:
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;CHECK: vst1.8 {d16, d17}, [r0, :64]
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%tmp1 = load <16 x i8>* %B
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call void @llvm.arm.neon.vst1.v16i8(i8* %A, <16 x i8> %tmp1, i32 8)
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ret void
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}
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define void @vst1Qi16(i16* %A, <8 x i16>* %B) nounwind {
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;CHECK: vst1Qi16:
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;Check the alignment value. Max for this instruction is 128 bits:
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;CHECK: vst1.16 {d16, d17}, [r0, :128]
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%tmp0 = bitcast i16* %A to i8*
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%tmp1 = load <8 x i16>* %B
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call void @llvm.arm.neon.vst1.v8i16(i8* %tmp0, <8 x i16> %tmp1, i32 32)
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ret void
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}
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define void @vst1Qi32(i32* %A, <4 x i32>* %B) nounwind {
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;CHECK: vst1Qi32:
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;CHECK: vst1.32
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%tmp0 = bitcast i32* %A to i8*
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%tmp1 = load <4 x i32>* %B
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call void @llvm.arm.neon.vst1.v4i32(i8* %tmp0, <4 x i32> %tmp1, i32 1)
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ret void
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}
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define void @vst1Qf(float* %A, <4 x float>* %B) nounwind {
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;CHECK: vst1Qf:
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;CHECK: vst1.32
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%tmp0 = bitcast float* %A to i8*
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%tmp1 = load <4 x float>* %B
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call void @llvm.arm.neon.vst1.v4f32(i8* %tmp0, <4 x float> %tmp1, i32 1)
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ret void
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}
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define void @vst1Qi64(i64* %A, <2 x i64>* %B) nounwind {
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;CHECK: vst1Qi64:
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;CHECK: vst1.64
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%tmp0 = bitcast i64* %A to i8*
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%tmp1 = load <2 x i64>* %B
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call void @llvm.arm.neon.vst1.v2i64(i8* %tmp0, <2 x i64> %tmp1, i32 1)
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ret void
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}
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declare void @llvm.arm.neon.vst1.v8i8(i8*, <8 x i8>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v4i16(i8*, <4 x i16>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v2i32(i8*, <2 x i32>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v2f32(i8*, <2 x float>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v1i64(i8*, <1 x i64>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v16i8(i8*, <16 x i8>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v4i32(i8*, <4 x i32>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v4f32(i8*, <4 x float>, i32) nounwind
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declare void @llvm.arm.neon.vst1.v2i64(i8*, <2 x i64>, i32) nounwind
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