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73 lines
3.9 KiB
73 lines
3.9 KiB
; RUN: llc < %s -mcpu=cortex-a8 -verify-machineinstrs -verify-coalescing
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; PR11841
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; PR11829
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64"
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target triple = "armv7-none-linux-eabi"
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; This test case is exercising REG_SEQUENCE, and chains of REG_SEQUENCE.
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define arm_aapcs_vfpcc void @foo(i8* nocapture %arg, i8* %arg1) nounwind align 2 {
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bb:
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%tmp = load <2 x float>, <2 x float>* undef, align 8
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%tmp2 = extractelement <2 x float> %tmp, i32 0
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%tmp3 = insertelement <4 x float> undef, float %tmp2, i32 0
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%tmp4 = insertelement <4 x float> %tmp3, float 0.000000e+00, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float 0.000000e+00, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float 0.000000e+00, i32 3
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%tmp7 = extractelement <2 x float> %tmp, i32 1
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%tmp8 = insertelement <4 x float> %tmp3, float %tmp7, i32 1
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%tmp9 = insertelement <4 x float> %tmp8, float 0.000000e+00, i32 2
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%tmp10 = insertelement <4 x float> %tmp9, float 0.000000e+00, i32 3
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%tmp11 = bitcast <4 x float> %tmp6 to <2 x i64>
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%tmp12 = shufflevector <2 x i64> %tmp11, <2 x i64> undef, <1 x i32> zeroinitializer
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%tmp13 = bitcast <1 x i64> %tmp12 to <2 x float>
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%tmp14 = shufflevector <2 x float> %tmp13, <2 x float> undef, <4 x i32> zeroinitializer
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%tmp15 = bitcast <4 x float> %tmp14 to <2 x i64>
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%tmp16 = shufflevector <2 x i64> %tmp15, <2 x i64> undef, <1 x i32> zeroinitializer
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%tmp17 = bitcast <1 x i64> %tmp16 to <2 x float>
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%tmp18 = extractelement <2 x float> %tmp17, i32 0
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tail call arm_aapcs_vfpcc void @bar(i8* undef, float %tmp18, float undef, float 0.000000e+00) nounwind
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%tmp19 = bitcast <4 x float> %tmp10 to <2 x i64>
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%tmp20 = shufflevector <2 x i64> %tmp19, <2 x i64> undef, <1 x i32> zeroinitializer
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%tmp21 = bitcast <1 x i64> %tmp20 to <2 x float>
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%tmp22 = shufflevector <2 x float> %tmp21, <2 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
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%tmp23 = bitcast <4 x float> %tmp22 to <2 x i64>
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%tmp24 = shufflevector <2 x i64> %tmp23, <2 x i64> undef, <1 x i32> zeroinitializer
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%tmp25 = bitcast <1 x i64> %tmp24 to <2 x float>
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%tmp26 = extractelement <2 x float> %tmp25, i32 0
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tail call arm_aapcs_vfpcc void @bar(i8* undef, float undef, float %tmp26, float 0.000000e+00) nounwind
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ret void
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}
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define arm_aapcs_vfpcc void @foo2() nounwind uwtable {
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entry:
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br i1 undef, label %for.end, label %cond.end295
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cond.end295: ; preds = %entry
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%shuffle.i39.i.i1035 = shufflevector <2 x i64> undef, <2 x i64> undef, <1 x i32> zeroinitializer
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%shuffle.i38.i.i1036 = shufflevector <2 x i64> zeroinitializer, <2 x i64> undef, <1 x i32> zeroinitializer
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%shuffle.i37.i.i1037 = shufflevector <1 x i64> %shuffle.i39.i.i1035, <1 x i64> %shuffle.i38.i.i1036, <2 x i32> <i32 0, i32 1>
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%0 = bitcast <2 x i64> %shuffle.i37.i.i1037 to <4 x float>
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%1 = bitcast <4 x float> undef to <2 x i64>
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%shuffle.i36.i.i = shufflevector <2 x i64> %1, <2 x i64> undef, <1 x i32> zeroinitializer
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%shuffle.i35.i.i = shufflevector <2 x i64> undef, <2 x i64> undef, <1 x i32> zeroinitializer
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%shuffle.i34.i.i = shufflevector <1 x i64> %shuffle.i36.i.i, <1 x i64> %shuffle.i35.i.i, <2 x i32> <i32 0, i32 1>
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%2 = bitcast <2 x i64> %shuffle.i34.i.i to <4 x float>
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* undef, <4 x float> %0, i32 4) nounwind
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* undef, <4 x float> %2, i32 4) nounwind
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unreachable
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for.end: ; preds = %entry
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ret void
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}
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; Check that pseudo-expansion preserves <undef> flags.
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define void @foo3(i8* %p) nounwind ssp {
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entry:
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tail call void @llvm.arm.neon.vst2.p0i8.v4f32(i8* %p, <4 x float> undef, <4 x float> undef, i32 4)
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ret void
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}
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declare arm_aapcs_vfpcc void @bar(i8*, float, float, float)
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declare void @llvm.arm.neon.vst1.p0i8.v4f32(i8*, <4 x float>, i32) nounwind
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declare void @llvm.arm.neon.vst2.p0i8.v4f32(i8*, <4 x float>, <4 x float>, i32) nounwind
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