mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 23:42:52 +01:00
29 lines
1.2 KiB
LLVM
29 lines
1.2 KiB
LLVM
; RUN: opt < %s -loop-unroll -unroll-count=2 -S | FileCheck %s
|
|
|
|
; LoopUnroll should unroll this loop into one big basic block.
|
|
|
|
; CHECK: for.body:
|
|
; CHECK: %i.013 = phi i64 [ 0, %entry ], [ %tmp16.1, %for.body ]
|
|
; CHECK: br i1 %exitcond.1, label %for.end, label %for.body
|
|
|
|
define void @foo(double* nocapture %p, i64 %n) nounwind {
|
|
entry:
|
|
%mul10 = shl i64 %n, 1 ; <i64> [#uses=2]
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%i.013 = phi i64 [ %tmp16, %for.body ], [ 0, %entry ] ; <i64> [#uses=2]
|
|
%arrayidx7 = getelementptr double* %p, i64 %i.013 ; <double*> [#uses=2]
|
|
%tmp16 = add i64 %i.013, 1 ; <i64> [#uses=3]
|
|
%arrayidx = getelementptr double* %p, i64 %tmp16 ; <double*> [#uses=1]
|
|
%tmp4 = load double* %arrayidx ; <double> [#uses=1]
|
|
%tmp8 = load double* %arrayidx7 ; <double> [#uses=1]
|
|
%mul9 = fmul double %tmp8, %tmp4 ; <double> [#uses=1]
|
|
store double %mul9, double* %arrayidx7
|
|
%exitcond = icmp eq i64 %tmp16, %mul10 ; <i1> [#uses=1]
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body, %entry
|
|
ret void
|
|
}
|