[llvm] r353144 - [DAG][NFC] Add unit tests.
Clement Courbet via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 5 00:00:18 PST 2019
Author: courbet
Date: Tue Feb 5 00:00:17 2019
New Revision: 353144
URL: http://llvm.org/viewvc/llvm-project?rev=353144&view=rev
Log:
[DAG][NFC] Add unit tests.
In preparation for D57541.
Added:
llvm/trunk/test/CodeGen/X86/swap.ll
Added: llvm/trunk/test/CodeGen/X86/swap.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/swap.ll?rev=353144&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/swap.ll (added)
+++ llvm/trunk/test/CodeGen/X86/swap.ll Tue Feb 5 00:00:17 2019
@@ -0,0 +1,211 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=haswell | FileCheck %s -check-prefix=NOAA
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=haswell -combiner-global-alias-analysis=1 | FileCheck %s -check-prefix=AA
+
+declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
+declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
+
+%struct.S = type { [16 x i8] }
+
+define dso_local void @_Z4SwapP1SS0_(%struct.S* nocapture %a, %struct.S* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: _Z4SwapP1SS0_:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovups (%rsi), %xmm0
+; NOAA-NEXT: vmovups %xmm0, (%rdi)
+; NOAA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; NOAA-NEXT: vmovups %xmm0, (%rsi)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: _Z4SwapP1SS0_:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovups (%rsi), %xmm1
+; AA-NEXT: vmovups %xmm1, (%rdi)
+; AA-NEXT: vmovups %xmm0, (%rsi)
+; AA-NEXT: retq
+entry:
+ %tmp.sroa.0 = alloca [16 x i8], align 1
+ %tmp.sroa.0.0..sroa_idx6 = getelementptr inbounds [16 x i8], [16 x i8]* %tmp.sroa.0, i64 0, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %tmp.sroa.0.0..sroa_idx6)
+ %tmp.sroa.0.0..sroa_idx1 = getelementptr inbounds %struct.S, %struct.S* %a, i64 0, i32 0, i64 0
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %tmp.sroa.0.0..sroa_idx6, i8* align 1 %tmp.sroa.0.0..sroa_idx1, i64 16, i1 false)
+ %0 = getelementptr inbounds %struct.S, %struct.S* %b, i64 0, i32 0, i64 0
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %tmp.sroa.0.0..sroa_idx1, i8* align 1 %0, i64 16, i1 false), !tbaa.struct !2
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %0, i8* nonnull align 1 %tmp.sroa.0.0..sroa_idx6, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %tmp.sroa.0.0..sroa_idx6)
+ ret void
+}
+
+define dso_local void @onealloc_noreadback(i8* nocapture %a, i8* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: onealloc_noreadback:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovups (%rsi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: onealloc_noreadback:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovups (%rsi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: retq
+entry:
+ %alloc = alloca [16 x i8], i8 2, align 1
+ %part1 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 0, i64 0
+ %part2 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 1, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part2)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part1, i8* align 1 %a, i64 16, i1 false)
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part2, i8* align 1 %b, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part2)
+ ret void
+}
+
+
+define dso_local void @twoallocs_trivial(i8* nocapture %a, i8* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: twoallocs_trivial:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovups (%rsi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: twoallocs_trivial:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovups (%rsi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: retq
+entry:
+ %alloc1 = alloca [16 x i8], align 1
+ %alloc2 = alloca [16 x i8], align 1
+ %part1 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc1, i64 0, i64 0
+ %part2 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc2, i64 0, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part2)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part1, i8* align 1 %a, i64 16, i1 false)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part2, i8* align 1 %b, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part2)
+ ret void
+}
+
+define dso_local void @twoallocs(i8* nocapture %a, i8* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: twoallocs:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; NOAA-NEXT: vmovups %xmm0, (%rsi)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: twoallocs:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; AA-NEXT: vmovups %xmm0, (%rsi)
+; AA-NEXT: retq
+entry:
+ %alloc1 = alloca [16 x i8], align 1
+ %alloc2 = alloca [16 x i8], align 1
+ %part1 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc1, i64 0, i64 0
+ %part2 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc2, i64 0, i64 0
+ %part2_alias = getelementptr inbounds [16 x i8], [16 x i8]* %alloc2, i64 0, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part2)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part2, i8* align 1 %a, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part1)
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %b, i8* align 1 %part2_alias, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part2)
+ ret void
+}
+
+define dso_local void @onealloc_readback_1(i8* nocapture %a, i8* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: onealloc_readback_1:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovups (%rsi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; NOAA-NEXT: vmovups %xmm0, (%rdi)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: onealloc_readback_1:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovups (%rsi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; AA-NEXT: vmovups %xmm0, (%rdi)
+; AA-NEXT: retq
+entry:
+ %alloc = alloca [16 x i8], i8 2, align 1
+ %part2 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 0, i64 0
+ %part1 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 1, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part2)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part1, i8* align 1 %a, i64 16, i1 false)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part2, i8* align 1 %b, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part1)
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %a, i8* align 1 %part2, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part2)
+ ret void
+}
+
+define dso_local void @onealloc_readback_2(i8* nocapture %a, i8* nocapture %b) local_unnamed_addr {
+; NOAA-LABEL: onealloc_readback_2:
+; NOAA: # %bb.0: # %entry
+; NOAA-NEXT: vmovups (%rdi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovups (%rsi), %xmm0
+; NOAA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; NOAA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; NOAA-NEXT: vmovups %xmm0, (%rdi)
+; NOAA-NEXT: retq
+;
+; AA-LABEL: onealloc_readback_2:
+; AA: # %bb.0: # %entry
+; AA-NEXT: vmovups (%rdi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovups (%rsi), %xmm0
+; AA-NEXT: vmovaps %xmm0, -{{[0-9]+}}(%rsp)
+; AA-NEXT: vmovaps -{{[0-9]+}}(%rsp), %xmm0
+; AA-NEXT: vmovups %xmm0, (%rdi)
+; AA-NEXT: retq
+entry:
+ %alloc = alloca [16 x i8], i8 2, align 1
+ %part1 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 0, i64 0
+ %part2 = getelementptr inbounds [16 x i8], [16 x i8]* %alloc, i64 1, i64 0
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part1)
+ call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %part2)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part1, i8* align 1 %a, i64 16, i1 false)
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %part2, i8* align 1 %b, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part1)
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 1 %a, i8* align 1 %part2, i64 16, i1 false)
+ call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %part2)
+ ret void
+}
+
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 9.0.0 (trunk 352631) (llvm/trunk 352632)"}
+!2 = !{i64 0, i64 16, !3}
+!3 = !{!4, !4, i64 0}
+!4 = !{!"omnipotent char", !5, i64 0}
+!5 = !{!"Simple C++ TBAA"}
More information about the llvm-commits
mailing list