diff options
Diffstat (limited to 'test/Transforms/LICM/opt-remarks.ll')
-rw-r--r-- | test/Transforms/LICM/opt-remarks.ll | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/test/Transforms/LICM/opt-remarks.ll b/test/Transforms/LICM/opt-remarks.ll new file mode 100644 index 0000000000000..f0ef386c9f9a2 --- /dev/null +++ b/test/Transforms/LICM/opt-remarks.ll @@ -0,0 +1,81 @@ +; RUN: opt < %s -licm -pass-remarks=licm -o /dev/null 2>&1 | FileCheck %s +; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' %s -o /dev/null -pass-remarks=licm 2>&1 | FileCheck %s +target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" + +define void @hoist(i32* %array, i32* noalias %p) { +Entry: + br label %Loop + +Loop: + %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] + %addr = getelementptr i32, i32* %array, i32 %j + %a = load i32, i32* %addr +; CHECK: remark: /tmp/kk.c:2:20: hosting load + %b = load i32, i32* %p, !dbg !8 + %a2 = add i32 %a, %b + store i32 %a2, i32* %addr + %Next = add i32 %j, 1 + %cond = icmp eq i32 %Next, 0 + br i1 %cond, label %Out, label %Loop + +Out: + ret void +} + +define i32 @sink(i32* %array, i32* noalias %p, i32 %b) { +Entry: + br label %Loop + +Loop: + %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] + %addr = getelementptr i32, i32* %array, i32 %j + %a = load i32, i32* %addr + %a2 = add i32 %a, %b + store i32 %a2, i32* %addr +; CHECK: remark: /tmp/kk.c:2:21: sinking add + %a3 = add i32 %a, 1, !dbg !9 + %Next = add i32 %j, 1 + %cond = icmp eq i32 %Next, 0 + br i1 %cond, label %Out, label %Loop + +Out: + %a4 = phi i32 [ %a3, %Loop ] + ret i32 %a4 +} + +define void @promote(i32* %array, i32* noalias %p) { +Entry: + br label %Loop + +Loop: + %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] + %addr = getelementptr i32, i32* %array, i32 %j + %a = load i32, i32* %addr + %b = load i32, i32* %p + %a2 = add i32 %a, %b + store i32 %a2, i32* %addr +; CHECK: remark: /tmp/kk.c:2:22: Moving accesses to memory location out of the loop + store i32 %b, i32* %p, !dbg !10 + %Next = add i32 %j, 1 + %cond = icmp eq i32 %Next, 0 + br i1 %cond, label %Out, label %Loop + +Out: + ret void +} + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4} +!llvm.ident = !{!5} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) +!1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp") +!2 = !{} +!3 = !{i32 2, !"Debug Info Version", i32 3} +!4 = !{i32 1, !"PIC Level", i32 2} +!5 = !{!"clang version 3.9.0 "} +!6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2) +!7 = !DISubroutineType(types: !2) +!8 = !DILocation(line: 2, column: 20, scope: !6) +!9 = !DILocation(line: 2, column: 21, scope: !6) +!10 = !DILocation(line: 2, column: 22, scope: !6) |