60 lines
2.4 KiB
LLVM
60 lines
2.4 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -debug-only=loop-vectorize -stats -S 2>&1 | FileCheck %s
|
|
; REQUIRES: asserts
|
|
|
|
;
|
|
; We have 2 loops, one of them is vectorizable and the second one is not.
|
|
;
|
|
|
|
; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization
|
|
; CHECK: 1 loop-vectorize - Number of loops vectorized
|
|
|
|
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-unknown-linux-gnu"
|
|
|
|
define void @vectorized(float* nocapture %a, i64 %size) {
|
|
entry:
|
|
%cmp1 = icmp sle i64 %size, 0
|
|
%cmp21 = icmp sgt i64 0, %size
|
|
%or.cond = or i1 %cmp1, %cmp21
|
|
br i1 %or.cond, label %for.end, label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
|
|
%arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv2
|
|
%0 = load float, float* %arrayidx, align 4
|
|
%mul = fmul float %0, %0
|
|
store float %mul, float* %arrayidx, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
|
|
%cmp2 = icmp sgt i64 %indvars.iv.next, %size
|
|
br i1 %cmp2, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %entry, %for.body
|
|
ret void
|
|
}
|
|
|
|
define void @not_vectorized(float* nocapture %a, i64 %size) {
|
|
entry:
|
|
%cmp1 = icmp sle i64 %size, 0
|
|
%cmp21 = icmp sgt i64 0, %size
|
|
%or.cond = or i1 %cmp1, %cmp21
|
|
br i1 %or.cond, label %for.end, label %for.body
|
|
|
|
for.body: ; preds = %entry, %for.body
|
|
%indvars.iv2 = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
|
|
%0 = add nsw i64 %indvars.iv2, -5
|
|
%arrayidx = getelementptr inbounds float, float* %a, i64 %0
|
|
%1 = load float, float* %arrayidx, align 4
|
|
%2 = add nsw i64 %indvars.iv2, 2
|
|
%arrayidx2 = getelementptr inbounds float, float* %a, i64 %2
|
|
%3 = load float, float* %arrayidx2, align 4
|
|
%mul = fmul float %1, %3
|
|
%arrayidx4 = getelementptr inbounds float, float* %a, i64 %indvars.iv2
|
|
store float %mul, float* %arrayidx4, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv2, 1
|
|
%cmp2 = icmp sgt i64 %indvars.iv.next, %size
|
|
br i1 %cmp2, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %entry, %for.body
|
|
ret void
|
|
}
|