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llvm-mirror/test/CodeGen/ARM/2012-01-23-PostRA-LICM.ll
Jakob Stoklund Olesen dd6ae694d6 Fix PR11829. PostRA LICM was too aggressive. 
This fixes a typo in r148589.

llvm-svn: 148724
2012-01-23 21:01:15 +00:00

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; RUN: llc < %s -mcpu=cortex-a8 -verify-machineinstrs
; PR11829
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"
target triple = "armv7-none-linux-gnueabi"
define arm_aapcs_vfpcc void @foo(i8* nocapture %arg) nounwind uwtable align 2 {
bb:
br i1 undef, label %bb1, label %bb2
bb1: ; preds = %bb
unreachable
bb2: ; preds = %bb
br label %bb3
bb3: ; preds = %bb4, %bb2
%tmp = icmp slt i32 undef, undef
br i1 %tmp, label %bb4, label %bb67
bb4: ; preds = %bb3
%tmp5 = load <4 x i32>* undef, align 16, !tbaa !0
%tmp6 = and <4 x i32> %tmp5, <i32 8388607, i32 8388607, i32 8388607, i32 8388607>
%tmp7 = or <4 x i32> %tmp6, <i32 1065353216, i32 1065353216, i32 1065353216, i32 1065353216>
%tmp8 = bitcast <4 x i32> %tmp7 to <4 x float>
%tmp9 = fsub <4 x float> %tmp8, bitcast (i128 or (i128 shl (i128 zext (i64 trunc (i128 lshr (i128 bitcast (<4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00> to i128), i128 64) to i64) to i128), i128 64), i128 zext (i64 trunc (i128 bitcast (<4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00> to i128) to i64) to i128)) to <4 x float>)
%tmp10 = fmul <4 x float> undef, %tmp9
%tmp11 = fadd <4 x float> undef, %tmp10
%tmp12 = bitcast <4 x float> zeroinitializer to i128
%tmp13 = lshr i128 %tmp12, 64
%tmp14 = trunc i128 %tmp13 to i64
%tmp15 = insertvalue [2 x i64] undef, i64 %tmp14, 1
%tmp16 = call <4 x float> @llvm.arm.neon.vrecpe.v4f32(<4 x float> %tmp11) nounwind
%tmp17 = call <4 x float> @llvm.arm.neon.vrecps.v4f32(<4 x float> %tmp16, <4 x float> %tmp11) nounwind
%tmp18 = fmul <4 x float> %tmp17, %tmp16
%tmp19 = call <4 x float> @llvm.arm.neon.vrecps.v4f32(<4 x float> %tmp18, <4 x float> %tmp11) nounwind
%tmp20 = fmul <4 x float> %tmp19, %tmp18
%tmp21 = fmul <4 x float> %tmp20, zeroinitializer
%tmp22 = call <4 x float> @llvm.arm.neon.vmins.v4f32(<4 x float> %tmp21, <4 x float> undef) nounwind
call arm_aapcs_vfpcc void @bar(i8* null, i8* undef, <4 x i32>* undef, [2 x i64] zeroinitializer) nounwind
%tmp23 = bitcast <4 x float> %tmp22 to i128
%tmp24 = trunc i128 %tmp23 to i64
%tmp25 = insertvalue [2 x i64] undef, i64 %tmp24, 0
%tmp26 = insertvalue [2 x i64] %tmp25, i64 0, 1
%tmp27 = load float* undef, align 4, !tbaa !2
%tmp28 = insertelement <4 x float> undef, float %tmp27, i32 3
%tmp29 = load <4 x i32>* undef, align 16, !tbaa !0
%tmp30 = and <4 x i32> %tmp29, <i32 8388607, i32 8388607, i32 8388607, i32 8388607>
%tmp31 = or <4 x i32> %tmp30, <i32 1065353216, i32 1065353216, i32 1065353216, i32 1065353216>
%tmp32 = bitcast <4 x i32> %tmp31 to <4 x float>
%tmp33 = fsub <4 x float> %tmp32, bitcast (i128 or (i128 shl (i128 zext (i64 trunc (i128 lshr (i128 bitcast (<4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00> to i128), i128 64) to i64) to i128), i128 64), i128 zext (i64 trunc (i128 bitcast (<4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00> to i128) to i64) to i128)) to <4 x float>)
%tmp34 = call <4 x float> @llvm.arm.neon.vrecps.v4f32(<4 x float> undef, <4 x float> %tmp28) nounwind
%tmp35 = fmul <4 x float> %tmp34, undef
%tmp36 = fmul <4 x float> %tmp35, undef
%tmp37 = call arm_aapcs_vfpcc i8* undef(i8* undef) nounwind
%tmp38 = load float* undef, align 4, !tbaa !2
%tmp39 = insertelement <2 x float> undef, float %tmp38, i32 0
%tmp40 = call arm_aapcs_vfpcc i8* undef(i8* undef) nounwind
%tmp41 = load float* undef, align 4, !tbaa !2
%tmp42 = insertelement <4 x float> undef, float %tmp41, i32 3
%tmp43 = shufflevector <2 x float> %tmp39, <2 x float> undef, <4 x i32> zeroinitializer
%tmp44 = fmul <4 x float> %tmp33, %tmp43
%tmp45 = fadd <4 x float> %tmp42, %tmp44
%tmp46 = fsub <4 x float> %tmp45, undef
%tmp47 = fmul <4 x float> %tmp46, %tmp36
%tmp48 = fadd <4 x float> undef, %tmp47
%tmp49 = call arm_aapcs_vfpcc i8* undef(i8* undef) nounwind
%tmp50 = load float* undef, align 4, !tbaa !2
%tmp51 = insertelement <4 x float> undef, float %tmp50, i32 3
%tmp52 = call arm_aapcs_vfpcc float* null(i8* undef) nounwind
%tmp54 = load float* %tmp52, align 4, !tbaa !2
%tmp55 = insertelement <4 x float> undef, float %tmp54, i32 3
%tmp56 = fsub <4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, %tmp22
%tmp57 = call <4 x float> @llvm.arm.neon.vmins.v4f32(<4 x float> %tmp56, <4 x float> %tmp55) nounwind
%tmp58 = fmul <4 x float> undef, %tmp57
%tmp59 = fsub <4 x float> %tmp51, %tmp48
%tmp60 = fsub <4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, %tmp58
%tmp61 = fmul <4 x float> %tmp59, %tmp60
%tmp62 = fadd <4 x float> %tmp48, %tmp61
call arm_aapcs_vfpcc void @baz(i8* undef, i8* undef, [2 x i64] %tmp26, <4 x i32>* undef)
%tmp63 = bitcast <4 x float> %tmp62 to i128
%tmp64 = lshr i128 %tmp63, 64
%tmp65 = trunc i128 %tmp64 to i64
%tmp66 = insertvalue [2 x i64] zeroinitializer, i64 %tmp65, 1
call arm_aapcs_vfpcc void @quux(i8* undef, i8* undef, [2 x i64] undef, i8* undef, [2 x i64] %tmp66, i8* undef, i8* undef, [2 x i64] %tmp26, [2 x i64] %tmp15, <4 x i32>* undef)
br label %bb3
bb67: ; preds = %bb3
ret void
}
declare arm_aapcs_vfpcc void @bar(i8*, i8*, <4 x i32>*, [2 x i64])
declare arm_aapcs_vfpcc void @baz(i8*, i8* nocapture, [2 x i64], <4 x i32>* nocapture) nounwind uwtable inlinehint align 2
declare arm_aapcs_vfpcc void @quux(i8*, i8*, [2 x i64], i8* nocapture, [2 x i64], i8* nocapture, i8* nocapture, [2 x i64], [2 x i64], <4 x i32>* nocapture) nounwind uwtable inlinehint align 2
declare <4 x float> @llvm.arm.neon.vmins.v4f32(<4 x float>, <4 x float>) nounwind readnone
declare <4 x float> @llvm.arm.neon.vrecps.v4f32(<4 x float>, <4 x float>) nounwind readnone
declare <4 x float> @llvm.arm.neon.vrecpe.v4f32(<4 x float>) nounwind readnone
!0 = metadata !{metadata !"omnipotent char", metadata !1}
!1 = metadata !{metadata !"Simple C/C++ TBAA", null}
!2 = metadata !{metadata !"float", metadata !0}
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