; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 2 ; Test that hoisting conditional branches copies the debug and profiling info ; metadata from the branch being hoisted. ; RUN: opt -S -passes=licm -licm-control-flow-hoisting=1 %s -o - | FileCheck %s define void @triangle_phi(i32 %x, ptr %p) { ; CHECK-LABEL: define void @triangle_phi ; CHECK-SAME: (i32 [[X:%.*]], ptr [[P:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[X]], 0 ; CHECK-NEXT: br i1 [[CMP1]], label [[IF_LICM:%.*]], label [[THEN_LICM:%.*]], !prof [[PROF2:![0-9]+]] ; CHECK: if.licm: ; CHECK-NEXT: [[ADD:%.*]] = add i32 [[X]], 1 ; CHECK-NEXT: br label [[THEN_LICM]] ; CHECK: then.licm: ; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[ADD]], [[IF_LICM]] ], [ [[X]], [[ENTRY:%.*]] ] ; CHECK-NEXT: store i32 [[PHI]], ptr [[P]], align 4 ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[PHI]], 0 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: br i1 [[CMP1]], label [[IF:%.*]], label [[THEN:%.*]], !dbg [[DBG3:![0-9]+]], !prof [[PROF2]] ; CHECK: if: ; CHECK-NEXT: br label [[THEN]] ; CHECK: then: ; CHECK-NEXT: br i1 [[CMP2]], label [[LOOP]], label [[END:%.*]], !dbg [[DBG7:![0-9]+]], !prof [[PROF8:![0-9]+]] ; CHECK: end: ; CHECK-NEXT: ret void ; entry: br label %loop, !dbg !5 loop: %cmp1 = icmp sgt i32 %x, 0 br i1 %cmp1, label %if, label %then, !dbg !6, !prof !8 if: %add = add i32 %x, 1 br label %then then: %phi = phi i32 [ %add, %if ], [ %x, %loop ] store i32 %phi, ptr %p %cmp2 = icmp ne i32 %phi, 0 br i1 %cmp2, label %loop, label %end, !dbg !7, !prof !9 end: ret void } !llvm.module.flags = !{!2, !3} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1) !1 = !DIFile(filename: "t", directory: "/") !2 = !{i32 7, !"Dwarf Version", i32 5} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = distinct !DISubprogram(name: "triangle_phi", linkageName: "triangle_phi", scope: !1, file: !1, line: 1, unit: !0) !5 = !DILocation(line: 1, column: 22, scope: !4) !6 = !DILocation(line: 2, column: 22, scope: !4) !7 = !DILocation(line: 3, column: 22, scope: !4) !8 = !{!"branch_weights", i32 5, i32 7} !9 = !{!"branch_weights", i32 13, i32 11} ;. ; CHECK: [[META0:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 5} ; CHECK: [[META1:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3} ; CHECK: [[PROF2]] = !{!"branch_weights", i32 5, i32 7} ; CHECK: [[DBG3]] = !DILocation(line: 2, column: 22, scope: [[META4:![0-9]+]]) ; CHECK: [[META4]] = distinct !DISubprogram(name: "triangle_phi", linkageName: "triangle_phi", scope: [[META5:![0-9]+]], file: [[META5]], line: 1, spFlags: DISPFlagDefinition, unit: [[META6:![0-9]+]]) ; CHECK: [[META5]] = !DIFile(filename: "{{.*}}t", directory: {{.*}}) ; CHECK: [[META6]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META5]], isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug) ; CHECK: [[DBG7]] = !DILocation(line: 3, column: 22, scope: [[META4]]) ; CHECK: [[PROF8]] = !{!"branch_weights", i32 13, i32 11} ;.