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llvm-mirror/test/Transforms/InstCombine/vec_demanded_elts.ll
Alexey Bataev a554bff930 [InstCombine] Fixed bug introduced in r282237
The index of the new insertelement instruction was evaluated in the
wrong way, it was considered as the index of the inserted value instead
of index of the position, where the value should be inserted.

llvm-svn: 282401
2016-09-26 13:18:59 +00:00

255 lines
13 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define i16 @test1(float %f) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP281:%.*]] = fadd float %f, -1.000000e+00
; CHECK-NEXT: [[TMP373:%.*]] = fmul float [[TMP281]], 5.000000e-01
; CHECK-NEXT: [[TMP374:%.*]] = insertelement <4 x float> undef, float [[TMP373]], i32 0
; CHECK-NEXT: [[TMP48:%.*]] = tail call <4 x float> @llvm.x86.sse.min.ss(<4 x float> [[TMP374]], <4 x float> <float 6.553500e+04, float undef, float undef, float undef>)
; CHECK-NEXT: [[TMP59:%.*]] = tail call <4 x float> @llvm.x86.sse.max.ss(<4 x float> [[TMP48]], <4 x float> <float 0.000000e+00, float undef, float undef, float undef>)
; CHECK-NEXT: [[TMP_UPGRD_1:%.*]] = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> [[TMP59]])
; CHECK-NEXT: [[TMP69:%.*]] = trunc i32 [[TMP_UPGRD_1]] to i16
; CHECK-NEXT: ret i16 [[TMP69]]
;
%tmp = insertelement <4 x float> undef, float %f, i32 0
%tmp10 = insertelement <4 x float> %tmp, 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
%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 > )
%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 > )
%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 > )
%tmp59 = tail call <4 x float> @llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> zeroinitializer )
%tmp.upgrd.1 = tail call i32 @llvm.x86.sse.cvttss2si( <4 x float> %tmp59 )
%tmp69 = trunc i32 %tmp.upgrd.1 to i16
ret i16 %tmp69
}
define i32 @test2(float %f) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[TMP5:%.*]] = fmul float %f, %f
; CHECK-NEXT: [[TMP21:%.*]] = bitcast float [[TMP5]] to i32
; CHECK-NEXT: ret i32 [[TMP21]]
;
%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-NEXT: [[V00:%.*]] = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NEXT: [[TMP0:%.*]] = tail call i32 @llvm.x86.sse.cvtss2si(<4 x float> [[V00]])
; CHECK-NEXT: [[V10:%.*]] = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NEXT: [[TMP1:%.*]] = tail call i64 @llvm.x86.sse.cvtss2si64(<4 x float> [[V10]])
; CHECK-NEXT: [[V20:%.*]] = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> [[V20]])
; CHECK-NEXT: [[V30:%.*]] = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NEXT: [[TMP3:%.*]] = tail call i64 @llvm.x86.sse.cvttss2si64(<4 x float> [[V30]])
; CHECK-NEXT: [[V40:%.*]] = insertelement <2 x double> undef, double %d, i32 0
; CHECK-NEXT: [[TMP4:%.*]] = tail call i32 @llvm.x86.sse2.cvtsd2si(<2 x double> [[V40]])
; CHECK-NEXT: [[V50:%.*]] = insertelement <2 x double> undef, double %d, i32 0
; CHECK-NEXT: [[TMP5:%.*]] = tail call i64 @llvm.x86.sse2.cvtsd2si64(<2 x double> [[V50]])
; CHECK-NEXT: [[V60:%.*]] = insertelement <2 x double> undef, double %d, i32 0
; CHECK-NEXT: [[TMP6:%.*]] = tail call i32 @llvm.x86.sse2.cvttsd2si(<2 x double> [[V60]])
; CHECK-NEXT: [[V70:%.*]] = insertelement <2 x double> undef, double %d, i32 0
; CHECK-NEXT: [[TMP7:%.*]] = tail call i64 @llvm.x86.sse2.cvttsd2si64(<2 x double> [[V70]])
; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[TMP0]], [[TMP2]]
; CHECK-NEXT: [[TMP9:%.*]] = add i32 [[TMP4]], [[TMP6]]
; CHECK-NEXT: [[TMP10:%.*]] = add i32 [[TMP8]], [[TMP9]]
; CHECK-NEXT: [[TMP11:%.*]] = sext i32 [[TMP10]] to i64
; CHECK-NEXT: [[TMP12:%.*]] = add i64 [[TMP1]], [[TMP3]]
; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[TMP5]], [[TMP7]]
; CHECK-NEXT: [[TMP14:%.*]] = add i64 [[TMP12]], [[TMP13]]
; CHECK-NEXT: [[TMP15:%.*]] = add i64 [[TMP11]], [[TMP14]]
; CHECK-NEXT: ret i64 [[TMP15]]
;
%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-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @fgetc(i8* null) #0
; CHECK-NEXT: br i1 false, label %bb2, label %bb3
; CHECK: bb2:
; CHECK-NEXT: br label %bb3
; CHECK: bb3:
; CHECK-NEXT: 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-NEXT: entry:
; CHECK-NEXT: store <4 x float> zeroinitializer, <4 x float>* %a, align 16
; CHECK-NEXT: ret void
;
entry:
%tmp1 = load <4 x float>, <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>)
define <4 x float> @dead_shuffle_elt(<4 x float> %x, <2 x float> %y) nounwind {
; CHECK-LABEL: @dead_shuffle_elt(
; CHECK-NEXT: [[SHUFFLE_I:%.*]] = shufflevector <2 x float> %y, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
; CHECK-NEXT: [[SHUFFLE9_I:%.*]] = shufflevector <4 x float> %x, <4 x float> [[SHUFFLE_I]], <4 x i32> <i32 4, i32 5, i32 2, i32 3>
; CHECK-NEXT: ret <4 x float> [[SHUFFLE9_I]]
;
%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-NEXT: [[TMP1:%.*]] = insertelement <2 x double> undef, double %f, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double 0.000000e+00, i32 1
; CHECK-NEXT: [[TMP3:%.*]] = fptrunc <2 x double> [[TMP2]] to <2 x float>
; CHECK-NEXT: ret <2 x float> [[TMP3]]
;
%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-NEXT: [[TMP1:%.*]] = insertelement <2 x float> undef, float %f, i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float 0.000000e+00, i32 1
; CHECK-NEXT: [[TMP3:%.*]] = fpext <2 x float> [[TMP2]] to <2 x double>
; CHECK-NEXT: ret <2 x double> [[TMP3]]
;
%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 double> @test_shuffle(<4 x double> %f) {
; CHECK-LABEL: @test_shuffle(
; CHECK-NEXT: [[RET1:%.*]] = insertelement <4 x double> %f, double 1.000000e+00, i32 3
; CHECK-NEXT: ret <4 x double> [[RET1]]
;
%ret = shufflevector <4 x double> %f, <4 x double> <double undef, double 1.0, double undef, double undef>, <4 x i32> <i32 0, i32 1, i32 2, i32 5>
ret <4 x double> %ret
}
define <4 x float> @test_select(float %f, float %g) {
; CHECK-LABEL: @test_select(
; CHECK-NEXT: [[A0:%.*]] = insertelement <4 x float> undef, float %f, i32 0
; CHECK-NEXT: [[A3:%.*]] = insertelement <4 x float> [[A0]], float 3.000000e+00, i32 3
; CHECK-NEXT: [[RET:%.*]] = shufflevector <4 x float> [[A3]], <4 x float> <float undef, float 4.000000e+00, float 5.000000e+00, float undef>, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
; CHECK-NEXT: ret <4 x float> [[RET]]
;
%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
}
; Check that instcombine doesn't wrongly fold away the select completely.
; TODO: Should this be an insertelement rather than a shuffle?
define <2 x i64> @PR24922(<2 x i64> %v) {
; CHECK-LABEL: @PR24922(
; CHECK-NEXT: [[RESULT1:%.*]] = insertelement <2 x i64> %v, i64 0, i32 0
; CHECK-NEXT: ret <2 x i64> [[RESULT1]]
;
%result = select <2 x i1> <i1 icmp eq (i64 extractelement (<2 x i64> bitcast (<4 x i32> <i32 15, i32 15, i32 15, i32 15> to <2 x i64>), i64 0), i64 0), i1 true>, <2 x i64> %v, <2 x i64> zeroinitializer
ret <2 x i64> %result
}