; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
target triple = "i386-apple-macosx10.8.0"
;int test(double *G) {
; G[0] = 1+G[5]*4;
; G[1] = 6+G[6]*3;
; G[2] = 7+G[5]*4;
; G[3] = 8+G[6]*4;
;}
;CHECK-LABEL: @test(
;CHECK: load <2 x double>
;CHECK: fadd <4 x double>
;CHECK: store <4 x double>
;CHECK: ret i32
define i32 @test(double* nocapture %G) {
entry:
%arrayidx = getelementptr inbounds double, double* %G, i64 5
%0 = load double, double* %arrayidx, align 8
%mul = fmul double %0, 4.000000e+00
%add = fadd double %mul, 1.000000e+00
store double %add, double* %G, align 8
%arrayidx2 = getelementptr inbounds double, double* %G, i64 6
%1 = load double, double* %arrayidx2, align 8
%mul3 = fmul double %1, 3.000000e+00
%add4 = fadd double %mul3, 6.000000e+00
%arrayidx5 = getelementptr inbounds double, double* %G, i64 1
store double %add4, double* %arrayidx5, align 8
%add8 = fadd double %mul, 7.000000e+00
%arrayidx9 = getelementptr inbounds double, double* %G, i64 2
store double %add8, double* %arrayidx9, align 8
%mul11 = fmul double %1, 4.000000e+00
%add12 = fadd double %mul11, 8.000000e+00
%arrayidx13 = getelementptr inbounds double, double* %G, i64 3
store double %add12, double* %arrayidx13, align 8
ret i32 undef
}
;int foo(double *A, int n) {
; A[0] = A[0] * 7.9 * n + 6.0;
; A[1] = A[1] * 7.7 * n + 2.0;
; A[2] = A[2] * 7.6 * n + 3.0;
; A[3] = A[3] * 7.4 * n + 4.0;
;}
; CHECK-LABEL: @foo(
; CHECK: load <4 x double>
; CHECK: fmul <4 x double>
; CHECK: fmul <4 x double>
; CHECK: fadd <4 x double>
; CHECK: store <4 x double>
define i32 @foo(double* nocapture %A, i32 %n) {
entry:
%0 = load double, double* %A, align 8
%mul = fmul double %0, 7.900000e+00
%conv = sitofp i32 %n to double
%mul1 = fmul double %conv, %mul
%add = fadd double %mul1, 6.000000e+00
store double %add, double* %A, align 8
%arrayidx3 = getelementptr inbounds double, double* %A, i64 1
%1 = load double, double* %arrayidx3, align 8
%mul4 = fmul double %1, 7.700000e+00
%mul6 = fmul double %conv, %mul4
%add7 = fadd double %mul6, 2.000000e+00
store double %add7, double* %arrayidx3, align 8
%arrayidx9 = getelementptr inbounds double, double* %A, i64 2
%2 = load double, double* %arrayidx9, align 8
%mul10 = fmul double %2, 7.600000e+00
%mul12 = fmul double %conv, %mul10
%add13 = fadd double %mul12, 3.000000e+00
store double %add13, double* %arrayidx9, align 8
%arrayidx15 = getelementptr inbounds double, double* %A, i64 3
%3 = load double, double* %arrayidx15, align 8
%mul16 = fmul double %3, 7.400000e+00
%mul18 = fmul double %conv, %mul16
%add19 = fadd double %mul18, 4.000000e+00
store double %add19, double* %arrayidx15, align 8
ret i32 undef
}
; int test2(double *G, int k) {
; if (k) {
; G[0] = 1+G[5]*4;
; G[1] = 6+G[6]*3;
; } else {
; G[2] = 7+G[5]*4;
; G[3] = 8+G[6]*3;
; }
; }
; We can't merge the gather sequences because one does not dominate the other.
; CHECK-LABEL: @test2(
; CHECK: insertelement
; CHECK: insertelement
; CHECK: insertelement
; CHECK: insertelement
; CHECK: ret
define i32 @test2(double* nocapture %G, i32 %k) {
%1 = icmp eq i32 %k, 0
%2 = getelementptr inbounds double, double* %G, i64 5
%3 = load double, double* %2, align 8
%4 = fmul double %3, 4.000000e+00
br i1 %1, label %12, label %5
; <label>:5 ; preds = %0
%6 = fadd double %4, 1.000000e+00
store double %6, double* %G, align 8
%7 = getelementptr inbounds double, double* %G, i64 6
%8 = load double, double* %7, align 8
%9 = fmul double %8, 3.000000e+00
%10 = fadd double %9, 6.000000e+00
%11 = getelementptr inbounds double, double* %G, i64 1
store double %10, double* %11, align 8
br label %20
; <label>:12 ; preds = %0
%13 = fadd double %4, 7.000000e+00
%14 = getelementptr inbounds double, double* %G, i64 2
store double %13, double* %14, align 8
%15 = getelementptr inbounds double, double* %G, i64 6
%16 = load double, double* %15, align 8
%17 = fmul double %16, 3.000000e+00
%18 = fadd double %17, 8.000000e+00
%19 = getelementptr inbounds double, double* %G, i64 3
store double %18, double* %19, align 8
br label %20
; <label>:20 ; preds = %12, %5
ret i32 undef
}
;int foo(double *A, int n) {
; A[0] = A[0] * 7.9 * n + 6.0;
; A[1] = A[1] * 7.9 * n + 6.0;
; A[2] = A[2] * 7.9 * n + 6.0;
; A[3] = A[3] * 7.9 * n + 6.0;
;}
; CHECK-LABEL: @foo4(
; CHECK: load <4 x double>
; CHECK: fmul <4 x double>
; CHECK: fmul <4 x double>
; CHECK: fadd <4 x double>
; CHECK: store <4 x double>
define i32 @foo4(double* nocapture %A, i32 %n) {
entry:
%0 = load double, double* %A, align 8
%mul = fmul double %0, 7.900000e+00
%conv = sitofp i32 %n to double
%mul1 = fmul double %conv, %mul
%add = fadd double %mul1, 6.000000e+00
store double %add, double* %A, align 8
%arrayidx3 = getelementptr inbounds double, double* %A, i64 1
%1 = load double, double* %arrayidx3, align 8
%mul4 = fmul double %1, 7.900000e+00
%mul6 = fmul double %conv, %mul4
%add7 = fadd double %mul6, 6.000000e+00
store double %add7, double* %arrayidx3, align 8
%arrayidx9 = getelementptr inbounds double, double* %A, i64 2
%2 = load double, double* %arrayidx9, align 8
%mul10 = fmul double %2, 7.900000e+00
%mul12 = fmul double %conv, %mul10
%add13 = fadd double %mul12, 6.000000e+00
store double %add13, double* %arrayidx9, align 8
%arrayidx15 = getelementptr inbounds double, double* %A, i64 3
%3 = load double, double* %arrayidx15, align 8
%mul16 = fmul double %3, 7.900000e+00
%mul18 = fmul double %conv, %mul16
%add19 = fadd double %mul18, 6.000000e+00
store double %add19, double* %arrayidx15, align 8
ret i32 undef
}
;int partial_mrg(double *A, int n) {
; A[0] = A[0] * n;
; A[1] = A[1] * n;
; if (n < 4) return 0;
; A[2] = A[2] * n;
; A[3] = A[3] * (n+4);
;}
;CHECK-LABEL: @partial_mrg(
;CHECK: insertelement <2 x double>
;CHECK: insertelement <2 x double>
;CHECK: insertelement <2 x double>
;CHECK-NOT: insertelement <2 x double>
;CHECK: ret
define i32 @partial_mrg(double* nocapture %A, i32 %n) {
entry:
%0 = load double, double* %A, align 8
%conv = sitofp i32 %n to double
%mul = fmul double %conv, %0
store double %mul, double* %A, align 8
%arrayidx2 = getelementptr inbounds double, double* %A, i64 1
%1 = load double, double* %arrayidx2, align 8
%mul4 = fmul double %conv, %1
store double %mul4, double* %arrayidx2, align 8
%cmp = icmp slt i32 %n, 4
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
%arrayidx7 = getelementptr inbounds double, double* %A, i64 2
%2 = load double, double* %arrayidx7, align 8
%mul9 = fmul double %conv, %2
store double %mul9, double* %arrayidx7, align 8
%arrayidx11 = getelementptr inbounds double, double* %A, i64 3
%3 = load double, double* %arrayidx11, align 8
%add = add nsw i32 %n, 4
%conv12 = sitofp i32 %add to double
%mul13 = fmul double %conv12, %3
store double %mul13, double* %arrayidx11, align 8
br label %return
return: ; preds = %entry, %if.end
ret i32 0
}
%class.B.53.55 = type { %class.A.52.54, double }
%class.A.52.54 = type { double, double, double }
@a = external global double, align 8
define void @PR19646(%class.B.53.55* %this) {
entry:
br i1 undef, label %if.end13, label %if.end13
sw.epilog7: ; No predecessors!
%.in = getelementptr inbounds %class.B.53.55, %class.B.53.55* %this, i64 0, i32 0, i32 1
%0 = load double, double* %.in, align 8
%add = fadd double undef, 0.000000e+00
%add6 = fadd double %add, %0
%1 = load double, double* @a, align 8
%add8 = fadd double %1, 0.000000e+00
%_dy = getelementptr inbounds %class.B.53.55, %class.B.53.55* %this, i64 0, i32 0, i32 2
%2 = load double, double* %_dy, align 8
%add10 = fadd double %add8, %2
br i1 undef, label %if.then12, label %if.end13
if.then12: ; preds = %sw.epilog7
%3 = load double, double* undef, align 8
br label %if.end13
if.end13: ; preds = %if.then12, %sw.epilog7, %entry
%x.1 = phi double [ 0.000000e+00, %if.then12 ], [ %add6, %sw.epilog7 ], [ undef, %entry ], [ undef, %entry ]
%b.0 = phi double [ %3, %if.then12 ], [ %add10, %sw.epilog7 ], [ undef, %entry], [ undef, %entry ]
unreachable
}