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llvm-6502/test/Transforms/InstCombine/vec_demanded_elts.ll
Stephen Lin 15bfd6d3ad Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change. 
This conversion was done with the following bash script:

  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186269 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:50:49 +00:00

213 lines
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; RUN: opt < %s -instcombine -S | FileCheck %s
define i16 @test1(float %f) {
entry:
; CHECK-LABEL: @test1(
; CHECK: fmul float
; CHECK-NOT: insertelement {{.*}} 0.00
; CHECK-NOT: call {{.*}} @llvm.x86.sse.mul
; CHECK-NOT: call {{.*}} @llvm.x86.sse.sub
; CHECK: ret
%tmp = insertelement <4 x float> undef, float %f, i32 0 ; <<4 x float>> [#uses=1]
%tmp10 = insertelement <4 x float> %tmp, float 0.000000e+00, i32 1 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 2 ; <<4 x float>> [#uses=1]
%tmp12 = insertelement <4 x float> %tmp11, float 0.000000e+00, i32 3 ; <<4 x float>> [#uses=1]
%tmp28 = tail call <4 x float> @llvm.x86.sse.sub.ss( <4 x float> %tmp12, <4 x float> < float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp37 = tail call <4 x float> @llvm.x86.sse.mul.ss( <4 x float> %tmp28, <4 x float> < float 5.000000e-01, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp48 = tail call <4 x float> @llvm.x86.sse.min.ss( <4 x float> %tmp37, <4 x float> < float 6.553500e+04, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp59 = tail call <4 x float> @llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> zeroinitializer ) ; <<4 x float>> [#uses=1]
%tmp.upgrd.1 = tail call i32 @llvm.x86.sse.cvttss2si( <4 x float> %tmp59 ) ; <i32> [#uses=1]
%tmp69 = trunc i32 %tmp.upgrd.1 to i16 ; <i16> [#uses=1]
ret i16 %tmp69
}
define i32 @test2(float %f) {
; CHECK-LABEL: @test2(
; CHECK-NOT: insertelement
; CHECK-NOT: extractelement
; CHECK: ret
%tmp5 = fmul float %f, %f
%tmp9 = insertelement <4 x float> undef, float %tmp5, i32 0
%tmp10 = insertelement <4 x float> %tmp9, float 0.000000e+00, i32 1
%tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 2
%tmp12 = insertelement <4 x float> %tmp11, float 0.000000e+00, i32 3
%tmp19 = bitcast <4 x float> %tmp12 to <4 x i32>
%tmp21 = extractelement <4 x i32> %tmp19, i32 0
ret i32 %tmp21
}
define i64 @test3(float %f, double %d) {
; CHECK-LABEL: @test3(
; CHECK-NOT: insertelement {{.*}} 0.00
; CHECK: ret
entry:
%v00 = insertelement <4 x float> undef, float %f, i32 0
%v01 = insertelement <4 x float> %v00, float 0.000000e+00, i32 1
%v02 = insertelement <4 x float> %v01, float 0.000000e+00, i32 2
%v03 = insertelement <4 x float> %v02, float 0.000000e+00, i32 3
%tmp0 = tail call i32 @llvm.x86.sse.cvtss2si(<4 x float> %v03)
%v10 = insertelement <4 x float> undef, float %f, i32 0
%v11 = insertelement <4 x float> %v10, float 0.000000e+00, i32 1
%v12 = insertelement <4 x float> %v11, float 0.000000e+00, i32 2
%v13 = insertelement <4 x float> %v12, float 0.000000e+00, i32 3
%tmp1 = tail call i64 @llvm.x86.sse.cvtss2si64(<4 x float> %v13)
%v20 = insertelement <4 x float> undef, float %f, i32 0
%v21 = insertelement <4 x float> %v20, float 0.000000e+00, i32 1
%v22 = insertelement <4 x float> %v21, float 0.000000e+00, i32 2
%v23 = insertelement <4 x float> %v22, float 0.000000e+00, i32 3
%tmp2 = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> %v23)
%v30 = insertelement <4 x float> undef, float %f, i32 0
%v31 = insertelement <4 x float> %v30, float 0.000000e+00, i32 1
%v32 = insertelement <4 x float> %v31, float 0.000000e+00, i32 2
%v33 = insertelement <4 x float> %v32, float 0.000000e+00, i32 3
%tmp3 = tail call i64 @llvm.x86.sse.cvttss2si64(<4 x float> %v33)
%v40 = insertelement <2 x double> undef, double %d, i32 0
%v41 = insertelement <2 x double> %v40, double 0.000000e+00, i32 1
%tmp4 = tail call i32 @llvm.x86.sse2.cvtsd2si(<2 x double> %v41)
%v50 = insertelement <2 x double> undef, double %d, i32 0
%v51 = insertelement <2 x double> %v50, double 0.000000e+00, i32 1
%tmp5 = tail call i64 @llvm.x86.sse2.cvtsd2si64(<2 x double> %v51)
%v60 = insertelement <2 x double> undef, double %d, i32 0
%v61 = insertelement <2 x double> %v60, double 0.000000e+00, i32 1
%tmp6 = tail call i32 @llvm.x86.sse2.cvttsd2si(<2 x double> %v61)
%v70 = insertelement <2 x double> undef, double %d, i32 0
%v71 = insertelement <2 x double> %v70, double 0.000000e+00, i32 1
%tmp7 = tail call i64 @llvm.x86.sse2.cvttsd2si64(<2 x double> %v71)
%tmp8 = add i32 %tmp0, %tmp2
%tmp9 = add i32 %tmp4, %tmp6
%tmp10 = add i32 %tmp8, %tmp9
%tmp11 = sext i32 %tmp10 to i64
%tmp12 = add i64 %tmp1, %tmp3
%tmp13 = add i64 %tmp5, %tmp7
%tmp14 = add i64 %tmp12, %tmp13
%tmp15 = add i64 %tmp11, %tmp14
ret i64 %tmp15
}
define void @get_image() nounwind {
; CHECK-LABEL: @get_image(
; CHECK-NOT: extractelement
; CHECK: unreachable
entry:
%0 = call i32 @fgetc(i8* null) nounwind ; <i32> [#uses=1]
%1 = trunc i32 %0 to i8 ; <i8> [#uses=1]
%tmp2 = insertelement <100 x i8> zeroinitializer, i8 %1, i32 1 ; <<100 x i8>> [#uses=1]
%tmp1 = extractelement <100 x i8> %tmp2, i32 0 ; <i8> [#uses=1]
%2 = icmp eq i8 %tmp1, 80 ; <i1> [#uses=1]
br i1 %2, label %bb2, label %bb3
bb2: ; preds = %entry
br label %bb3
bb3: ; preds = %bb2, %entry
unreachable
}
; PR4340
define void @vac(<4 x float>* nocapture %a) nounwind {
; CHECK-LABEL: @vac(
; CHECK-NOT: load
; CHECK: ret
entry:
%tmp1 = load <4 x float>* %a ; <<4 x float>> [#uses=1]
%vecins = insertelement <4 x float> %tmp1, float 0.000000e+00, i32 0 ; <<4 x float>> [#uses=1]
%vecins4 = insertelement <4 x float> %vecins, float 0.000000e+00, i32 1; <<4 x float>> [#uses=1]
%vecins6 = insertelement <4 x float> %vecins4, float 0.000000e+00, i32 2; <<4 x float>> [#uses=1]
%vecins8 = insertelement <4 x float> %vecins6, float 0.000000e+00, i32 3; <<4 x float>> [#uses=1]
store <4 x float> %vecins8, <4 x float>* %a
ret void
}
declare i32 @fgetc(i8*)
declare <4 x float> @llvm.x86.sse.sub.ss(<4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.sse.mul.ss(<4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.sse.max.ss(<4 x float>, <4 x float>)
declare i32 @llvm.x86.sse.cvtss2si(<4 x float>)
declare i64 @llvm.x86.sse.cvtss2si64(<4 x float>)
declare i32 @llvm.x86.sse.cvttss2si(<4 x float>)
declare i64 @llvm.x86.sse.cvttss2si64(<4 x float>)
declare i32 @llvm.x86.sse2.cvtsd2si(<2 x double>)
declare i64 @llvm.x86.sse2.cvtsd2si64(<2 x double>)
declare i32 @llvm.x86.sse2.cvttsd2si(<2 x double>)
declare i64 @llvm.x86.sse2.cvttsd2si64(<2 x double>)
; <rdar://problem/6945110>
define <4 x i32> @kernel3_vertical(<4 x i16> * %src, <8 x i16> * %foo) nounwind {
entry:
%tmp = load <4 x i16>* %src
%tmp1 = load <8 x i16>* %foo
; CHECK: %tmp2 = shufflevector
%tmp2 = shufflevector <4 x i16> %tmp, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
; pmovzxwd ignores the upper 64-bits of its input; -instcombine should remove this shuffle:
; CHECK-NOT: shufflevector
%tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7>
; CHECK-NEXT: pmovzxwd
%0 = call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3)
ret <4 x i32> %0
}
declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone
define <4 x float> @dead_shuffle_elt(<4 x float> %x, <2 x float> %y) nounwind {
entry:
; CHECK-LABEL: define <4 x float> @dead_shuffle_elt(
; CHECK: shufflevector <2 x float> %y, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
%shuffle.i = shufflevector <2 x float> %y, <2 x float> %y, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%shuffle9.i = shufflevector <4 x float> %x, <4 x float> %shuffle.i, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
ret <4 x float> %shuffle9.i
}
define <2 x float> @test_fptrunc(double %f) {
; CHECK-LABEL: @test_fptrunc(
; CHECK: insertelement
; CHECK: insertelement
; CHECK-NOT: insertelement
%tmp9 = insertelement <4 x double> undef, double %f, i32 0
%tmp10 = insertelement <4 x double> %tmp9, double 0.000000e+00, i32 1
%tmp11 = insertelement <4 x double> %tmp10, double 0.000000e+00, i32 2
%tmp12 = insertelement <4 x double> %tmp11, double 0.000000e+00, i32 3
%tmp5 = fptrunc <4 x double> %tmp12 to <4 x float>
%ret = shufflevector <4 x float> %tmp5, <4 x float> undef, <2 x i32> <i32 0, i32 1>
ret <2 x float> %ret
}
define <2 x double> @test_fpext(float %f) {
; CHECK-LABEL: @test_fpext(
; CHECK: insertelement
; CHECK: insertelement
; CHECK-NOT: insertelement
%tmp9 = insertelement <4 x float> undef, float %f, i32 0
%tmp10 = insertelement <4 x float> %tmp9, float 0.000000e+00, i32 1
%tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 2
%tmp12 = insertelement <4 x float> %tmp11, float 0.000000e+00, i32 3
%tmp5 = fpext <4 x float> %tmp12 to <4 x double>
%ret = shufflevector <4 x double> %tmp5, <4 x double> undef, <2 x i32> <i32 0, i32 1>
ret <2 x double> %ret
}
define <4 x float> @test_select(float %f, float %g) {
; CHECK-LABEL: @test_select(
; CHECK: %a0 = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NOT: insertelement
; CHECK: %a3 = insertelement <4 x float> %a0, float 3.000000e+00, i32 3
; CHECK-NOT: insertelement
; CHECK: %ret = select <4 x i1> <i1 true, i1 false, i1 false, i1 true>, <4 x float> %a3, <4 x float> <float undef, float 4.000000e+00, float 5.000000e+00, float undef>
%a0 = insertelement <4 x float> undef, float %f, i32 0
%a1 = insertelement <4 x float> %a0, float 1.000000e+00, i32 1
%a2 = insertelement <4 x float> %a1, float 2.000000e+00, i32 2
%a3 = insertelement <4 x float> %a2, float 3.000000e+00, i32 3
%b0 = insertelement <4 x float> undef, float %g, i32 0
%b1 = insertelement <4 x float> %b0, float 4.000000e+00, i32 1
%b2 = insertelement <4 x float> %b1, float 5.000000e+00, i32 2
%b3 = insertelement <4 x float> %b2, float 6.000000e+00, i32 3
%ret = select <4 x i1> <i1 true, i1 false, i1 false, i1 true>, <4 x float> %a3, <4 x float> %b3
ret <4 x float> %ret
}
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