1 files changed, 117 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-spill-remarks.ll b/test/CodeGen/AArch64/arm64-spill-remarks.ll
new file mode 100644
index 0000000000000..bc9340352d754
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-spill-remarks.ll
@@ -0,0 +1,117 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-missed=regalloc 2>&1 | FileCheck -check-prefix=REMARK %s
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-missed=regalloc -pass-remarks-with-hotness 2>&1 | FileCheck -check-prefix=HOTNESS %s
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple 2>&1 | FileCheck -check-prefix=NO_REMARK %s
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -aarch64-neon-syntax=apple -pass-remarks-output=%t.yaml -pass-remarks-with-hotness 2>&1 | FileCheck -check-prefix=NO_REMARK %s
+; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
+
+; This has two nested loops, each with one value that has to be spilled and
+; then reloaded.
+
+; (loop3:)
+; REMARK: remark: /tmp/kk.c:3:20: 1 spills 1 reloads generated in loop{{$}}
+; (loop2:)
+; REMARK: remark: /tmp/kk.c:2:20: 1 spills 1 reloads generated in loop{{$}}
+; (loop:)
+; REMARK: remark: /tmp/kk.c:1:20: 2 spills 2 reloads generated in loop{{$}}
+
+; (loop3:)
+; HOTNESS: remark: /tmp/kk.c:3:20: 1 spills 1 reloads generated in loop (hotness: 300)
+; (loop2:)
+; HOTNESS: remark: /tmp/kk.c:2:20: 1 spills 1 reloads generated in loop (hotness: 30000)
+; (loop:)
+; HOTNESS: remark: /tmp/kk.c:1:20: 2 spills 2 reloads generated in loop (hotness: 300)
+
+; NO_REMARK-NOT: remark
+
+; YAML: --- !Missed
+; YAML: Pass:            regalloc
+; YAML: Name:            LoopSpillReload
+; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 3, Column: 20 }
+; YAML: Function:        fpr128
+; YAML: Hotness:         300
+; YAML: Args:
+; YAML:   - NumSpills:       '1'
+; YAML:   - String:          ' spills '
+; YAML:   - NumReloads:      '1'
+; YAML:   - String:          ' reloads '
+; YAML:   - String:          generated in loop
+; YAML: ...
+; YAML: --- !Missed
+; YAML: Pass:            regalloc
+; YAML: Name:            LoopSpillReload
+; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 2, Column: 20 }
+; YAML: Function:        fpr128
+; YAML: Hotness:         30000
+; YAML: Args:
+; YAML:   - NumSpills:       '1'
+; YAML:   - String:          ' spills '
+; YAML:   - NumReloads:      '1'
+; YAML:   - String:          ' reloads '
+; YAML:   - String:          generated in loop
+; YAML: ...
+; YAML: --- !Missed
+; YAML: Pass:            regalloc
+; YAML: Name:            LoopSpillReload
+; YAML: DebugLoc:        { File: /tmp/kk.c, Line: 1, Column: 20 }
+; YAML: Function:        fpr128
+; YAML: Hotness:         300
+; YAML: Args:
+; YAML:   - NumSpills:       '2'
+; YAML:   - String:          ' spills '
+; YAML:   - NumReloads:      '2'
+; YAML:   - String:          ' reloads '
+; YAML:   - String:          generated in loop
+; YAML: ...
+
+define void @fpr128(<4 x float>* %p) nounwind ssp !prof !11 {
+entry:
+  br label %loop, !dbg !8
+
+loop:
+  %i = phi i32 [ 0, %entry], [ %i.2, %end2 ]
+  br label %loop2, !dbg !9
+
+loop2:
+  %j = phi i32 [ 0, %loop], [ %j.2, %loop2 ]
+  call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
+  %j.2 = add i32 %j, 1
+  %c2 = icmp slt i32 %j.2, 100
+  br i1 %c2, label %loop2, label %end2, !prof !12
+
+end2:
+  call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
+  %i.2 = add i32 %i, 1
+  %c = icmp slt i32 %i.2, 100
+  br i1 %c, label %loop, label %end, !prof !12
+
+end:
+  br label %loop3
+
+loop3:
+  %k = phi i32 [ 0, %end], [ %k.2, %loop3 ]
+  call void asm sideeffect "; inlineasm", "~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{q16},~{q17},~{q18},~{q19},~{q20},~{q21},~{q22},~{q23},~{q24},~{q25},~{q26},~{q27},~{q28},~{q29},~{q30},~{q31},~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
+  %k.2 = add i32 %k, 1
+  %c3 = icmp slt i32 %k.2, 100
+  br i1 %c3, label %loop3, label %end3, !dbg !10, !prof !12
+
+end3:
+  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: 1, column: 20, scope: !6)
+!9 = !DILocation(line: 2, column: 20, scope: !6)
+!10 = !DILocation(line: 3, column: 20, scope: !6)
+!11 = !{!"function_entry_count", i64 3}
+!12 = !{!"branch_weights", i32 99, i32 1}