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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=lower-switch -S | FileCheck %s
define void @i3_range_4(i3 %0) {
; CHECK-LABEL: define void @i3_range_4(
; CHECK-SAME: i3 [[TMP0:%.*]]) {
; CHECK-NEXT: [[BB_0:.*:]]
; CHECK-NEXT: br label %[[LEAFBLOCK:.*]]
; CHECK: [[LEAFBLOCK]]:
; CHECK-NEXT: [[DOTOFF:%.*]] = add i3 [[TMP0]], 2
; CHECK-NEXT: [[SWITCHLEAF:%.*]] = icmp ule i3 [[DOTOFF]], -4
; CHECK-NEXT: br i1 [[SWITCHLEAF]], label %[[BB_1:.*]], label %[[BB_2:.*]]
; CHECK: [[BB_1]]:
; CHECK-NEXT: [[TMP:%.*]] = phi i3 [ 0, %[[LEAFBLOCK]] ]
; CHECK-NEXT: br label %[[BB_2]]
; CHECK: [[BB_2]]:
; CHECK-NEXT: ret void
;
bb.0:
switch i3 %0, label %bb.2 [
i3 -1, label %bb.1
i3 -2, label %bb.1
i3 2, label %bb.1
i3 1, label %bb.1
i3 0, label %bb.1
]
bb.1: ; preds = %bb.0, %bb.0, %bb.0, %bb.0, %bb.0
%tmp = phi i3 [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ]
br label %bb.2
bb.2: ; preds = %bb.1, %bb.0
ret void
}
define void @i3_range_6(i3 %0) {
; CHECK-LABEL: define void @i3_range_6(
; CHECK-SAME: i3 [[TMP0:%.*]]) {
; CHECK-NEXT: [[BB_0:.*:]]
; CHECK-NEXT: br label %[[LEAFBLOCK:.*]]
; CHECK: [[LEAFBLOCK]]:
; CHECK-NEXT: [[SWITCHLEAF:%.*]] = icmp sge i3 [[TMP0]], -3
; CHECK-NEXT: br i1 [[SWITCHLEAF]], label %[[BB_1:.*]], label %[[BB_2:.*]]
; CHECK: [[BB_1]]:
; CHECK-NEXT: [[TMP:%.*]] = phi i3 [ 0, %[[LEAFBLOCK]] ]
; CHECK-NEXT: br label %[[BB_2]]
; CHECK: [[BB_2]]:
; CHECK-NEXT: ret void
;
bb.0:
switch i3 %0, label %bb.2 [
i3 -1, label %bb.1
i3 -2, label %bb.1
i3 -3, label %bb.1
i3 3, label %bb.1
i3 2, label %bb.1
i3 1, label %bb.1
i3 0, label %bb.1
]
bb.1: ; preds = %bb.0, %bb.0, %bb.0, %bb.0, %bb.0
%tmp = phi i3 [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ]
br label %bb.2
bb.2: ; preds = %bb.1, %bb.0
ret void
}
define void @i3_range_7(i3 %0) {
; CHECK-LABEL: define void @i3_range_7(
; CHECK-SAME: i3 [[TMP0:%.*]]) {
; CHECK-NEXT: [[BB_0:.*:]]
; CHECK-NEXT: br label %[[BB_1:.*]]
; CHECK: [[BB_1]]:
; CHECK-NEXT: br label %[[BB_2:.*]]
; CHECK: [[BB_2]]:
; CHECK-NEXT: ret void
;
bb.0:
switch i3 %0, label %bb.2 [
i3 -1, label %bb.1
i3 -2, label %bb.1
i3 -3, label %bb.1
i3 -4, label %bb.1
i3 3, label %bb.1
i3 2, label %bb.1
i3 1, label %bb.1
i3 0, label %bb.1
]
bb.1: ; preds = %bb.0, %bb.0, %bb.0, %bb.0, %bb.0
%tmp = phi i3 [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ], [ 0, %bb.0 ]
br label %bb.2
bb.2: ; preds = %bb.1, %bb.0
ret void
}
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