forked from OSchip/llvm-project
67 lines
2.8 KiB
LLVM
67 lines
2.8 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-bgq-linux"
|
|
|
|
; Function Attrs: nounwind
|
|
define void @foo(double* %x, double* nocapture readonly %y) #0 {
|
|
entry:
|
|
%scevgep = getelementptr double, double* %x, i64 1599
|
|
%scevgep20 = getelementptr double, double* %y, i64 1599
|
|
br label %vector.memcheck
|
|
|
|
vector.memcheck: ; preds = %for.end, %entry
|
|
%j.015 = phi i32 [ 0, %entry ], [ %inc7, %for.end ]
|
|
%bound0 = icmp uge double* %scevgep20, %x
|
|
%bound1 = icmp uge double* %scevgep, %y
|
|
%memcheck.conflict = and i1 %bound0, %bound1
|
|
br i1 %memcheck.conflict, label %middle.block, label %vector.body
|
|
|
|
vector.body: ; preds = %vector.memcheck, %vector.body
|
|
%index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.memcheck ]
|
|
%0 = getelementptr inbounds double, double* %y, i64 %index
|
|
%1 = bitcast double* %0 to <4 x double>*
|
|
%wide.load = load <4 x double>, <4 x double>* %1, align 8
|
|
%2 = fadd <4 x double> %wide.load, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
|
|
%3 = getelementptr inbounds double, double* %x, i64 %index
|
|
%4 = bitcast double* %3 to <4 x double>*
|
|
store <4 x double> %2, <4 x double>* %4, align 8
|
|
%index.next = add i64 %index, 4
|
|
%5 = icmp eq i64 %index.next, 1600
|
|
br i1 %5, label %middle.block, label %vector.body
|
|
|
|
middle.block: ; preds = %vector.body, %vector.memcheck
|
|
%resume.val = phi i1 [ false, %vector.memcheck ], [ true, %vector.body ]
|
|
%trunc.resume.val = phi i64 [ 0, %vector.memcheck ], [ 1600, %vector.body ]
|
|
br i1 %resume.val, label %for.end, label %for.body3
|
|
|
|
for.body3: ; preds = %middle.block, %for.body3
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ %trunc.resume.val, %middle.block ]
|
|
%arrayidx = getelementptr inbounds double, double* %y, i64 %indvars.iv
|
|
%6 = load double, double* %arrayidx, align 8
|
|
%add = fadd double %6, 1.000000e+00
|
|
%arrayidx5 = getelementptr inbounds double, double* %x, i64 %indvars.iv
|
|
store double %add, double* %arrayidx5, align 8
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1600
|
|
br i1 %exitcond, label %for.end, label %for.body3
|
|
|
|
for.end: ; preds = %middle.block, %for.body3
|
|
tail call void @bar(double* %x) #2
|
|
%inc7 = add nuw nsw i32 %j.015, 1
|
|
%exitcond16 = icmp eq i32 %inc7, 100
|
|
br i1 %exitcond16, label %for.end8, label %vector.memcheck
|
|
|
|
for.end8: ; preds = %for.end
|
|
ret void
|
|
|
|
; CHECK-LABEL: @foo
|
|
; CHECK: dcbt
|
|
}
|
|
|
|
declare void @bar(double*) #1
|
|
|
|
attributes #0 = { nounwind "target-cpu"="a2q" }
|
|
attributes #1 = { "target-cpu"="a2q" }
|
|
attributes #2 = { nounwind }
|
|
|