| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -correlated-propagation < %s | FileCheck %s |
| |
| ; Check that debug locations are preserved. For more info see: |
| ; https://llvm.org/docs/SourceLevelDebugging.html#fixing-errors |
| ; RUN: opt < %s -enable-debugify -correlated-propagation -S 2>&1 | \ |
| ; RUN: FileCheck %s -check-prefix=DEBUG |
| ; DEBUG: CheckModuleDebugify: PASS |
| |
| declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) |
| |
| declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) |
| |
| declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) |
| |
| declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) |
| |
| declare void @llvm.trap() |
| |
| |
| define i32 @signed_add(i32 %x, i32 %y) { |
| ; CHECK-LABEL: @signed_add( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[Y:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[LAND_LHS_TRUE:%.*]], label [[LOR_LHS_FALSE:%.*]] |
| ; CHECK: land.lhs.true: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nsw i32 2147483647, [[Y]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TRAP:%.*]], label [[CONT:%.*]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[TMP4]], [[X:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: lor.lhs.false: |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i32 [[Y]], 0 |
| ; CHECK-NEXT: br i1 [[CMP2]], label [[LAND_LHS_TRUE3:%.*]], label [[COND_FALSE]] |
| ; CHECK: land.lhs.true3: |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub nsw i32 -2147483648, [[Y]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP5]], 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = insertvalue { i32, i1 } [[TMP6]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP8:%.*]] = extractvalue { i32, i1 } [[TMP7]], 1 |
| ; CHECK-NEXT: br i1 [[TMP8]], label [[TRAP]], label [[CONT4:%.*]] |
| ; CHECK: cont4: |
| ; CHECK-NEXT: [[TMP9:%.*]] = extractvalue { i32, i1 } [[TMP7]], 0 |
| ; CHECK-NEXT: [[CMP5:%.*]] = icmp sgt i32 [[TMP9]], [[X]] |
| ; CHECK-NEXT: br i1 [[CMP5]], label [[COND_END]], label [[COND_FALSE]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP10:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 [[Y]]) |
| ; CHECK-NEXT: [[TMP11:%.*]] = extractvalue { i32, i1 } [[TMP10]], 0 |
| ; CHECK-NEXT: [[TMP12:%.*]] = extractvalue { i32, i1 } [[TMP10]], 1 |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[TRAP]], label [[COND_END]] |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[CONT4]] ], [ 0, [[CONT]] ], [ [[TMP11]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp sgt i32 %y, 0 |
| br i1 %cmp, label %land.lhs.true, label %lor.lhs.false |
| |
| land.lhs.true: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 2147483647, i32 %y) |
| %1 = extractvalue { i32, i1 } %0, 1 |
| br i1 %1, label %trap, label %cont |
| |
| trap: ; preds = %land.lhs.true, %land.lhs.true3, %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cont: ; preds = %land.lhs.true |
| %2 = extractvalue { i32, i1 } %0, 0 |
| %cmp1 = icmp slt i32 %2, %x |
| br i1 %cmp1, label %cond.end, label %cond.false |
| |
| lor.lhs.false: ; preds = %entry |
| %cmp2 = icmp slt i32 %y, 0 |
| br i1 %cmp2, label %land.lhs.true3, label %cond.false |
| |
| land.lhs.true3: ; preds = %lor.lhs.false |
| %3 = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 -2147483648, i32 %y) |
| %4 = extractvalue { i32, i1 } %3, 1 |
| br i1 %4, label %trap, label %cont4 |
| |
| cont4: ; preds = %land.lhs.true3 |
| %5 = extractvalue { i32, i1 } %3, 0 |
| %cmp5 = icmp sgt i32 %5, %x |
| br i1 %cmp5, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %cont, %cont4, %lor.lhs.false |
| %6 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 %y) |
| %7 = extractvalue { i32, i1 } %6, 0 |
| %8 = extractvalue { i32, i1 } %6, 1 |
| br i1 %8, label %trap, label %cond.end |
| |
| cond.end: ; preds = %cond.false, %cont, %cont4 |
| %cond = phi i32 [ 0, %cont4 ], [ 0, %cont ], [ %7, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @unsigned_add(i32 %x, i32 %y) { |
| ; CHECK-LABEL: @unsigned_add( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nuw i32 -1, [[Y:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TRAP:%.*]], label [[CONT:%.*]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP4]], [[X:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP5:%.*]] = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X]], i32 [[Y]]) |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1 |
| ; CHECK-NEXT: br i1 [[TMP7]], label [[TRAP]], label [[COND_END]] |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[CONT]] ], [ [[TMP6]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 -1, i32 %y) |
| %1 = extractvalue { i32, i1 } %0, 1 |
| br i1 %1, label %trap, label %cont |
| |
| trap: ; preds = %cond.false, %entry |
| tail call void @llvm.trap() |
| unreachable |
| |
| cont: ; preds = %entry |
| %2 = extractvalue { i32, i1 } %0, 0 |
| %cmp1 = icmp ult i32 %2, %x |
| br i1 %cmp1, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %cont |
| %3 = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y) |
| %4 = extractvalue { i32, i1 } %3, 0 |
| %5 = extractvalue { i32, i1 } %3, 1 |
| br i1 %5, label %trap, label %cond.end |
| |
| cond.end: ; preds = %cond.false, %cont |
| %cond = phi i32 [ 0, %cont ], [ %4, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @signed_sub(i32 %x, i32 %y) { |
| ; CHECK-LABEL: @signed_sub( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[Y:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[LAND_LHS_TRUE:%.*]], label [[LOR_LHS_FALSE:%.*]] |
| ; CHECK: land.lhs.true: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nsw i32 [[Y]], 2147483647 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TRAP:%.*]], label [[CONT:%.*]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[TMP4]], [[X:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: lor.lhs.false: |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[Y]], 0 |
| ; CHECK-NEXT: br i1 [[CMP2]], label [[COND_FALSE]], label [[LAND_LHS_TRUE3:%.*]] |
| ; CHECK: land.lhs.true3: |
| ; CHECK-NEXT: [[TMP5:%.*]] = add nsw i32 [[Y]], -2147483648 |
| ; CHECK-NEXT: [[TMP6:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP5]], 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = insertvalue { i32, i1 } [[TMP6]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP8:%.*]] = extractvalue { i32, i1 } [[TMP7]], 1 |
| ; CHECK-NEXT: br i1 [[TMP8]], label [[TRAP]], label [[CONT4:%.*]] |
| ; CHECK: cont4: |
| ; CHECK-NEXT: [[TMP9:%.*]] = extractvalue { i32, i1 } [[TMP7]], 0 |
| ; CHECK-NEXT: [[CMP5:%.*]] = icmp sgt i32 [[TMP9]], [[X]] |
| ; CHECK-NEXT: br i1 [[CMP5]], label [[COND_END]], label [[COND_FALSE]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP10:%.*]] = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 [[X]], i32 [[Y]]) |
| ; CHECK-NEXT: [[TMP11:%.*]] = extractvalue { i32, i1 } [[TMP10]], 0 |
| ; CHECK-NEXT: [[TMP12:%.*]] = extractvalue { i32, i1 } [[TMP10]], 1 |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[TRAP]], label [[COND_END]] |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[CONT4]] ], [ 0, [[CONT]] ], [ [[TMP11]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp slt i32 %y, 0 |
| br i1 %cmp, label %land.lhs.true, label %lor.lhs.false |
| |
| land.lhs.true: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %y, i32 2147483647) |
| %1 = extractvalue { i32, i1 } %0, 1 |
| br i1 %1, label %trap, label %cont |
| |
| trap: ; preds = %land.lhs.true, %land.lhs.true3, %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cont: ; preds = %land.lhs.true |
| %2 = extractvalue { i32, i1 } %0, 0 |
| %cmp1 = icmp slt i32 %2, %x |
| br i1 %cmp1, label %cond.end, label %cond.false |
| |
| lor.lhs.false: ; preds = %entry |
| %cmp2 = icmp eq i32 %y, 0 |
| br i1 %cmp2, label %cond.false, label %land.lhs.true3 |
| |
| land.lhs.true3: ; preds = %lor.lhs.false |
| %3 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %y, i32 -2147483648) |
| %4 = extractvalue { i32, i1 } %3, 1 |
| br i1 %4, label %trap, label %cont4 |
| |
| cont4: ; preds = %land.lhs.true3 |
| %5 = extractvalue { i32, i1 } %3, 0 |
| %cmp5 = icmp sgt i32 %5, %x |
| br i1 %cmp5, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %lor.lhs.false, %cont, %cont4 |
| %6 = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %x, i32 %y) |
| %7 = extractvalue { i32, i1 } %6, 0 |
| %8 = extractvalue { i32, i1 } %6, 1 |
| br i1 %8, label %trap, label %cond.end |
| |
| cond.end: ; preds = %cond.false, %cont, %cont4 |
| %cond = phi i32 [ 0, %cont4 ], [ 0, %cont ], [ %7, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @unsigned_sub(i32 %x, i32 %y) { |
| ; CHECK-LABEL: @unsigned_sub( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 [[X]], i32 [[Y]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1 |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP1]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp ult i32 %x, %y |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %x, i32 %y) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @signed_add_r1(i32 %x) { |
| ; CHECK-LABEL: @signed_add_r1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 2147483647 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nsw i32 [[X]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, 2147483647 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @unsigned_add_r1(i32 %x) { |
| ; CHECK-LABEL: @unsigned_add_r1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], -1 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nuw i32 [[X]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, -1 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @signed_sub_r1(i32 %x) { |
| ; CHECK-LABEL: @signed_sub_r1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], -2147483648 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nsw i32 [[X]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, -2147483648 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %x, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @unsigned_sub_r1(i32 %x) { |
| ; CHECK-LABEL: @unsigned_sub_r1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nuw i32 [[X]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, 0 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %x, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @signed_add_rn1(i32 %x) { |
| ; CHECK-LABEL: @signed_add_rn1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], -2147483648 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nsw i32 [[X]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, -2147483648 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 -1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| define i32 @signed_sub_rn1(i32 %x) { |
| ; CHECK-LABEL: @signed_sub_rn1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 2147483647 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]] |
| ; CHECK: cond.false: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nsw i32 [[X]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[TRAP:%.*]], label [[COND_END]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cond.end: |
| ; CHECK-NEXT: [[COND:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[COND_FALSE]] ] |
| ; CHECK-NEXT: ret i32 [[COND]] |
| ; |
| entry: |
| %cmp = icmp eq i32 %x, 2147483647 |
| br i1 %cmp, label %cond.end, label %cond.false |
| |
| cond.false: ; preds = %entry |
| %0 = tail call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %x, i32 -1) |
| %1 = extractvalue { i32, i1 } %0, 0 |
| %2 = extractvalue { i32, i1 } %0, 1 |
| br i1 %2, label %trap, label %cond.end |
| |
| trap: ; preds = %cond.false |
| tail call void @llvm.trap() |
| unreachable |
| |
| cond.end: ; preds = %cond.false, %entry |
| %cond = phi i32 [ 0, %entry ], [ %1, %cond.false ] |
| ret i32 %cond |
| } |
| |
| declare i32 @bar(i32) |
| |
| define void @unsigned_loop(i32 %i) { |
| ; CHECK-LABEL: @unsigned_loop( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i32 [[I:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP3]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]] |
| ; CHECK: while.body.preheader: |
| ; CHECK-NEXT: br label [[WHILE_BODY:%.*]] |
| ; CHECK: while.body: |
| ; CHECK-NEXT: [[I_ADDR_04:%.*]] = phi i32 [ [[TMP4:%.*]], [[CONT:%.*]] ], [ [[I]], [[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @bar(i32 [[I_ADDR_04]]) |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub nuw i32 [[I_ADDR_04]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TRAP:%.*]], label [[CONT]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[TMP4]] = extractvalue { i32, i1 } [[TMP2]], 0 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP4]], 0 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[WHILE_END]], label [[WHILE_BODY]] |
| ; CHECK: while.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %cmp3 = icmp eq i32 %i, 0 |
| br i1 %cmp3, label %while.end, label %while.body.preheader |
| |
| while.body.preheader: ; preds = %entry |
| br label %while.body |
| |
| while.body: ; preds = %while.body.preheader, %cont |
| %i.addr.04 = phi i32 [ %2, %cont ], [ %i, %while.body.preheader ] |
| %call = tail call i32 @bar(i32 %i.addr.04) |
| %0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %i.addr.04, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 1 |
| br i1 %1, label %trap, label %cont |
| |
| trap: ; preds = %while.body |
| tail call void @llvm.trap() |
| unreachable |
| |
| cont: ; preds = %while.body |
| %2 = extractvalue { i32, i1 } %0, 0 |
| %cmp = icmp eq i32 %2, 0 |
| br i1 %cmp, label %while.end, label %while.body |
| |
| while.end: ; preds = %cont, %entry |
| ret void |
| } |
| |
| define void @intrinsic_into_phi(i32 %n) { |
| ; CHECK-LABEL: @intrinsic_into_phi( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[CONT:%.*]] |
| ; CHECK: for.cond: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nsw i32 [[DOTLCSSA:%.*]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } undef, i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { i32, i1 } [[TMP1]], i1 false, 1 |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP2]], 1 |
| ; CHECK-NEXT: br i1 [[TMP3]], label [[TRAP:%.*]], label [[CONT]] |
| ; CHECK: trap: |
| ; CHECK-NEXT: tail call void @llvm.trap() |
| ; CHECK-NEXT: unreachable |
| ; CHECK: cont: |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi { i32, i1 } [ zeroinitializer, [[ENTRY:%.*]] ], [ [[TMP2]], [[FOR_COND:%.*]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractvalue { i32, i1 } [[TMP4]], 0 |
| ; CHECK-NEXT: [[CALL9:%.*]] = tail call i32 @bar(i32 [[TMP5]]) |
| ; CHECK-NEXT: [[TOBOOL10:%.*]] = icmp eq i32 [[CALL9]], 0 |
| ; CHECK-NEXT: br i1 [[TOBOOL10]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]] |
| ; CHECK: while.body.preheader: |
| ; CHECK-NEXT: br label [[WHILE_BODY:%.*]] |
| ; CHECK: while.cond: |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractvalue { i32, i1 } [[TMP8:%.*]], 0 |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @bar(i32 [[TMP6]]) |
| ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[CALL]], 0 |
| ; CHECK-NEXT: br i1 [[TOBOOL]], label [[WHILE_END]], label [[WHILE_BODY]] |
| ; CHECK: while.body: |
| ; CHECK-NEXT: [[TMP7:%.*]] = phi i32 [ [[TMP6]], [[WHILE_COND:%.*]] ], [ [[TMP5]], [[WHILE_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[TMP8]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[TMP7]], i32 1) |
| ; CHECK-NEXT: [[TMP9:%.*]] = extractvalue { i32, i1 } [[TMP8]], 1 |
| ; CHECK-NEXT: br i1 [[TMP9]], label [[TRAP]], label [[WHILE_COND]] |
| ; CHECK: while.end: |
| ; CHECK-NEXT: [[DOTLCSSA]] = phi i32 [ [[TMP5]], [[CONT]] ], [ [[TMP6]], [[WHILE_COND]] ] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[DOTLCSSA]], [[N:%.*]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_COND]], label [[CLEANUP2:%.*]] |
| ; CHECK: cleanup2: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %cont |
| |
| for.cond: ; preds = %while.end |
| %0 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %.lcssa, i32 1) |
| %1 = extractvalue { i32, i1 } %0, 1 |
| br i1 %1, label %trap, label %cont |
| |
| trap: ; preds = %for.cond, %while.body |
| tail call void @llvm.trap() |
| unreachable |
| |
| cont: ; preds = %entry, %for.cond |
| %2 = phi { i32, i1 } [ zeroinitializer, %entry ], [ %0, %for.cond ] |
| %3 = extractvalue { i32, i1 } %2, 0 |
| %call9 = tail call i32 @bar(i32 %3) |
| %tobool10 = icmp eq i32 %call9, 0 |
| br i1 %tobool10, label %while.end, label %while.body.preheader |
| |
| while.body.preheader: ; preds = %cont |
| br label %while.body |
| |
| while.cond: ; preds = %while.body |
| %4 = extractvalue { i32, i1 } %6, 0 |
| %call = tail call i32 @bar(i32 %4) |
| %tobool = icmp eq i32 %call, 0 |
| br i1 %tobool, label %while.end, label %while.body |
| |
| while.body: ; preds = %while.body.preheader, %while.cond |
| %5 = phi i32 [ %4, %while.cond ], [ %3, %while.body.preheader ] |
| %6 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %5, i32 1) |
| %7 = extractvalue { i32, i1 } %6, 1 |
| br i1 %7, label %trap, label %while.cond |
| |
| while.end: ; preds = %while.cond, %cont |
| %.lcssa = phi i32 [ %3, %cont ], [ %4, %while.cond ] |
| %cmp = icmp slt i32 %.lcssa, %n |
| br i1 %cmp, label %for.cond, label %cleanup2 |
| |
| cleanup2: ; preds = %while.end |
| ret void |
| } |
