[llvm] r308964 - [tests] Cleanup vect.omp.persistence.ll test.
Michael Zolotukhin via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 25 03:35:16 PDT 2017
Author: mzolotukhin
Date: Tue Jul 25 03:35:16 2017
New Revision: 308964
URL: http://llvm.org/viewvc/llvm-project?rev=308964&view=rev
Log:
[tests] Cleanup vect.omp.persistence.ll test.
Added:
llvm/trunk/test/Transforms/LoopRotate/vect.omp.persistence.ll
Modified:
llvm/trunk/test/Transforms/LoopVectorize/vect.omp.persistence.ll
Added: llvm/trunk/test/Transforms/LoopRotate/vect.omp.persistence.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopRotate/vect.omp.persistence.ll?rev=308964&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/LoopRotate/vect.omp.persistence.ll (added)
+++ llvm/trunk/test/Transforms/LoopRotate/vect.omp.persistence.ll Tue Jul 25 03:35:16 2017
@@ -0,0 +1,34 @@
+; RUN: opt < %s -loop-rotate -S | 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"
+
+; Ensure that "llvm.loop.vectorize.enable" metadata was not lost after loop-rotate.
+; In past LoopRotate was clearing that metadata.
+;
+; See http://reviews.llvm.org/D3348 for details.
+
+; CHECK-LABEL: @foo
+; CHECK: loop_cond:
+; CHECK-NOT: loop-inc
+; CHECK: br i1 %cmp, label %return, label %loop_cond, !llvm.loop !0
+; CHECK: !0 = distinct !{!0, !1}
+; CHECK: !1 = !{!"llvm.loop.vectorize.enable", i1 true}
+define i32 @foo(i32 %a) {
+entry:
+ br label %loop_cond
+
+loop_cond:
+ %indx = phi i32 [ 1, %entry ], [ %inc, %loop_inc ]
+ %cmp = icmp ne i32 %indx, %a
+ br i1 %cmp, label %return, label %loop_inc
+
+loop_inc:
+ %inc = add i32 %indx, 1
+ br label %loop_cond, !llvm.loop !0
+
+return:
+ ret i32 0
+}
+
+!0 = !{!0, !1}
+!1 = !{!"llvm.loop.vectorize.enable", i1 true}
Modified: llvm/trunk/test/Transforms/LoopVectorize/vect.omp.persistence.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/vect.omp.persistence.ll?rev=308964&r1=308963&r2=308964&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopVectorize/vect.omp.persistence.ll (original)
+++ llvm/trunk/test/Transforms/LoopVectorize/vect.omp.persistence.ll Tue Jul 25 03:35:16 2017
@@ -1,87 +1,36 @@
-; RUN: opt < %s -O2 -force-vector-interleave=2 -force-vector-width=4 -debug-only=loop-vectorize -stats -S 2>&1 | FileCheck %s
+; RUN: opt < %s -O2 -force-vector-interleave=2 -force-vector-width=4 -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
; REQUIRES: asserts
-; Loop from "rotated"
+; CHECK: LV: Checking a loop in "foo"
; CHECK: LV: Loop hints: force=enabled
-; Loop from "nonrotated"
-; CHECK: LV: Loop hints: force=enabled
-; No more loops in the module
-; CHECK-NOT: LV: Loop hints: force=
-; In total only 1 loop should be rotated.
-; CHECK: 1 loop-rotate
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"
-; See http://reviews.llvm.org/D3348 for details.
-
-;
-; Test #1
-;
-; Ensure that "llvm.loop.vectorize.enable" metadata was not lost prior to LoopVectorize pass.
-; In past LoopRotate was clearing that metadata.
-;
-; The source C code is:
-; void rotated(float *a, int size)
-; {
-; int t = 0;
-; #pragma omp simd
-; for (int i = 0; i < size; ++i) {
-; a[i] = a[i-5] * a[i+2];
-; ++t;
-; }
-;}
-
-define void @rotated(float* nocapture %a, i64 %size) {
-entry:
- %cmp1 = icmp sgt i64 %size, 0
- br i1 %cmp1, label %for.header, label %for.end
-
-for.header:
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
- %cmp2 = icmp sgt i64 %indvars.iv, %size
- br i1 %cmp2, label %for.end, label %for.body
-
-for.body:
-
- %0 = add nsw i64 %indvars.iv, -5
- %arrayidx = getelementptr inbounds float, float* %a, i64 %0
- %1 = load float, float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !1
- %2 = add nsw i64 %indvars.iv, 2
- %arrayidx2 = getelementptr inbounds float, float* %a, i64 %2
- %3 = load float, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !1
- %mul = fmul float %1, %3
- %arrayidx4 = getelementptr inbounds float, float* %a, i64 %indvars.iv
- store float %mul, float* %arrayidx4, align 4, !llvm.mem.parallel_loop_access !1
-
- %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
- br label %for.header, !llvm.loop !1
-
-for.end:
- ret void
-}
-
-!1 = !{!1, !2}
-!2 = !{!"llvm.loop.vectorize.enable", i1 true}
-
-;
-; Test #2
-;
; Ensure that "llvm.loop.vectorize.enable" metadata was not lost even
-; if loop was not rotated (see http://reviews.llvm.org/D3348#comment-4).
+; if loop was not rotated.
;
-define i32 @nonrotated(i32 %a) {
+; See http://reviews.llvm.org/D3348 for details.
+;
+; CHECK-LABEL: @foo
+; CHECK: !llvm.loop !0
+; CHECK: !0 = distinct !{!0, !1}
+; CHECK: !1 = !{!"llvm.loop.vectorize.enable", i1 true}
+define i32 @foo(i32 %a) {
entry:
br label %loop_cond
+
loop_cond:
%indx = phi i32 [ 1, %entry ], [ %inc, %loop_inc ]
%cmp = icmp ne i32 %indx, %a
br i1 %cmp, label %return, label %loop_inc
+
loop_inc:
%inc = add i32 %indx, 1
- br label %loop_cond, !llvm.loop !3
+ br label %loop_cond, !llvm.loop !0
+
return:
ret i32 0
}
-!3 = !{!3, !4}
-!4 = !{!"llvm.loop.vectorize.enable", i1 true}
+!0 = !{!0, !1}
+!1 = !{!"llvm.loop.vectorize.enable", i1 true}
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