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22f18a7e94
Also fix an off-by-one in SelectionDAGBuilder that was preventing shuffle vectors from being translated to EXTRACT_SUBVECTOR. Patch by Tim Northover. The test changes are needed to keep those spill-q tests from testing aligned spills and restores. If the only aligned stack objects are spill slots, we no longer realign the stack frame. Prior to this patch, an EXTRACT_SUBVECTOR was legalized by loading from the stack, which created an aligned frame index. Now, however, there is nothing except the spill slot in the stack frame, so I added an aligned alloca. llvm-svn: 122995
92 lines
5.2 KiB
LLVM
92 lines
5.2 KiB
LLVM
; RUN: llc < %s -mtriple=armv7-elf -mattr=+neon | FileCheck %s
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; PR4789
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%bar = type { float, float, float }
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%baz = type { i32, [16 x %bar], [16 x float], [16 x i32], i8 }
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%foo = type { <4 x float> }
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%quux = type { i32 (...)**, %baz*, i32 }
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%quuz = type { %quux, i32, %bar, [128 x i8], [16 x %foo], %foo, %foo, %foo }
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declare <4 x float> @llvm.arm.neon.vld1.v4f32(i8*, i32) nounwind readonly
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define void @aaa(%quuz* %this, i8* %block) {
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; CHECK: aaa:
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; CHECK: bic sp, sp, #15
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; CHECK: vst1.64 {{.*}}sp, :128
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; CHECK: vld1.64 {{.*}}sp, :128
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entry:
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%aligned_vec = alloca <4 x float>, align 16
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%"alloca point" = bitcast i32 0 to i32
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%vecptr = bitcast <4 x float>* %aligned_vec to i8*
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%0 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* %vecptr, i32 1) nounwind ; <<4 x float>> [#uses=1]
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store float 6.300000e+01, float* undef, align 4
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%1 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind ; <<4 x float>> [#uses=1]
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store float 0.000000e+00, float* undef, align 4
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%2 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind ; <<4 x float>> [#uses=1]
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%ld3 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld4 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld5 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld6 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld7 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld8 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld9 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld10 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld11 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%ld12 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* undef, i32 1) nounwind
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store float 0.000000e+00, float* undef, align 4
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%val173 = load <4 x float>* undef ; <<4 x float>> [#uses=1]
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br label %bb4
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bb4: ; preds = %bb193, %entry
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%besterror.0.2264 = phi <4 x float> [ undef, %entry ], [ %besterror.0.0, %bb193 ] ; <<4 x float>> [#uses=2]
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%part0.0.0261 = phi <4 x float> [ zeroinitializer, %entry ], [ %23, %bb193 ] ; <<4 x float>> [#uses=2]
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%3 = fmul <4 x float> zeroinitializer, %0 ; <<4 x float>> [#uses=2]
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%4 = fadd <4 x float> %3, %part0.0.0261 ; <<4 x float>> [#uses=1]
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%5 = shufflevector <4 x float> %3, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
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%6 = shufflevector <2 x float> %5, <2 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x float>> [#uses=1]
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%7 = fmul <4 x float> %1, undef ; <<4 x float>> [#uses=1]
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%8 = fadd <4 x float> %7, <float 5.000000e-01, float 5.000000e-01, float 5.000000e-01, float 5.000000e-01> ; <<4 x float>> [#uses=1]
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%9 = fptosi <4 x float> %8 to <4 x i32> ; <<4 x i32>> [#uses=1]
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%10 = sitofp <4 x i32> %9 to <4 x float> ; <<4 x float>> [#uses=1]
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%11 = fmul <4 x float> %10, %2 ; <<4 x float>> [#uses=1]
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%12 = fmul <4 x float> undef, %6 ; <<4 x float>> [#uses=1]
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%13 = fmul <4 x float> %11, %4 ; <<4 x float>> [#uses=1]
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%14 = fsub <4 x float> %12, %13 ; <<4 x float>> [#uses=1]
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%15 = fsub <4 x float> %14, undef ; <<4 x float>> [#uses=1]
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%16 = fmul <4 x float> %15, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> ; <<4 x float>> [#uses=1]
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%17 = fadd <4 x float> %16, undef ; <<4 x float>> [#uses=1]
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%18 = fmul <4 x float> %17, %val173 ; <<4 x float>> [#uses=1]
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%19 = shufflevector <4 x float> %18, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
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%20 = shufflevector <2 x float> %19, <2 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
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%tmp1 = fadd <4 x float> %20, %ld3
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%tmp2 = fadd <4 x float> %tmp1, %ld4
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%tmp3 = fadd <4 x float> %tmp2, %ld5
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%tmp4 = fadd <4 x float> %tmp3, %ld6
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%tmp5 = fadd <4 x float> %tmp4, %ld7
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%tmp6 = fadd <4 x float> %tmp5, %ld8
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%tmp7 = fadd <4 x float> %tmp6, %ld9
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%tmp8 = fadd <4 x float> %tmp7, %ld10
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%tmp9 = fadd <4 x float> %tmp8, %ld11
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%21 = fadd <4 x float> %tmp9, %ld12
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%22 = fcmp ogt <4 x float> %besterror.0.2264, %21 ; <<4 x i1>> [#uses=0]
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%tmp = extractelement <4 x i1> %22, i32 0
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br i1 %tmp, label %bb193, label %bb186
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bb186: ; preds = %bb4
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br label %bb193
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bb193: ; preds = %bb186, %bb4
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%besterror.0.0 = phi <4 x float> [ %21, %bb186 ], [ %besterror.0.2264, %bb4 ] ; <<4 x float>> [#uses=1]
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%23 = fadd <4 x float> %part0.0.0261, zeroinitializer ; <<4 x float>> [#uses=1]
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br label %bb4
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}
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