forked from OSchip/llvm-project
78 lines
3.2 KiB
LLVM
78 lines
3.2 KiB
LLVM
; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
|
|
; REQUIRES: asserts
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; CHECK-LABEL: test
|
|
; CHECK-DAG: LV: Found uniform instruction: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
; CHECK-DAG: LV: Found uniform instruction: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
; CHECK-DAG: LV: Found uniform instruction: %exitcond = icmp eq i64 %indvars.iv, 1599
|
|
|
|
define void @test(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv
|
|
%tmp0 = load float, float* %arrayidx, align 4
|
|
%add = fadd float %tmp0, 1.000000e+00
|
|
%arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv
|
|
store float %add, float* %arrayidx5, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv, 1599
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: foo
|
|
; CHECK-DAG: LV: Found uniform instruction: %cond = icmp eq i64 %i.next, %n
|
|
; CHECK-DAG: LV: Found uniform instruction: %tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0
|
|
; CHECK-NOT: LV: Found uniform instruction: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
|
|
|
|
define void @foo(i32* %a, i64 %n) {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
|
|
%tmp0 = trunc i64 %i to i32
|
|
%tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0
|
|
store i32 %tmp0, i32* %tmp1, align 4
|
|
%i.next = add nuw nsw i64 %i, 1
|
|
%cond = icmp eq i64 %i.next, %n
|
|
br i1 %cond, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: goo
|
|
; Check %indvars.iv and %indvars.iv.next are uniform instructions even if they are used outside of loop.
|
|
; CHECK-DAG: LV: Found uniform instruction: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
; CHECK-DAG: LV: Found uniform instruction: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
; CHECK-DAG: LV: Found uniform instruction: %exitcond = icmp eq i64 %indvars.iv, 1599
|
|
|
|
define i64 @goo(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv
|
|
%tmp0 = load float, float* %arrayidx, align 4
|
|
%add = fadd float %tmp0, 1.000000e+00
|
|
%arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv
|
|
store float %add, float* %arrayidx5, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv, 1599
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
%retval = add i64 %indvars.iv, %indvars.iv.next
|
|
ret i64 %retval
|
|
}
|
|
|