mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-01 19:29:22 +00:00
523cd85b50
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186145 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.9 KiB
LLVM
62 lines
1.9 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.8.0"
|
|
|
|
; double foo(double * restrict b, double * restrict a, int n, int m) {
|
|
; double r=a[1];
|
|
; double g=a[0];
|
|
; double x;
|
|
; for (int i=0; i < 100; i++) {
|
|
; r += 10;
|
|
; g += 10;
|
|
; r *= 4;
|
|
; g *= 4;
|
|
; x = g; <----- external user!
|
|
; r += 4;
|
|
; g += 4;
|
|
; }
|
|
; b[0] = g;
|
|
; b[1] = r;
|
|
;
|
|
; return x; <-- must extract here!
|
|
; }
|
|
|
|
;CHECK: ext_user
|
|
;CHECK: phi <2 x double>
|
|
;CHECK: fadd <2 x double>
|
|
;CHECK: fmul <2 x double>
|
|
;CHECK: br
|
|
;CHECK: store <2 x double>
|
|
;CHECK: extractelement <2 x double>
|
|
;CHECK: ret double
|
|
|
|
define double @ext_user(double* noalias nocapture %B, double* noalias nocapture %A, i32 %n, i32 %m) {
|
|
entry:
|
|
%arrayidx = getelementptr inbounds double* %A, i64 1
|
|
%0 = load double* %arrayidx, align 8
|
|
%1 = load double* %A, align 8
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%i.020 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
|
|
%G.019 = phi double [ %1, %entry ], [ %add5, %for.body ]
|
|
%R.018 = phi double [ %0, %entry ], [ %add4, %for.body ]
|
|
%add = fadd double %R.018, 1.000000e+01
|
|
%add2 = fadd double %G.019, 1.000000e+01
|
|
%mul = fmul double %add, 4.000000e+00
|
|
%mul3 = fmul double %add2, 4.000000e+00
|
|
%add4 = fadd double %mul, 4.000000e+00
|
|
%add5 = fadd double %mul3, 4.000000e+00
|
|
%inc = add nsw i32 %i.020, 1
|
|
%exitcond = icmp eq i32 %inc, 100
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
store double %add5, double* %B, align 8
|
|
%arrayidx7 = getelementptr inbounds double* %B, i64 1
|
|
store double %add4, double* %arrayidx7, align 8
|
|
ret double %mul3
|
|
}
|
|
|