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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 4@g = global i32 05 6; PR304867define i32 @single_case() {8; CHECK-LABEL: @single_case(9; CHECK-NEXT: switch i32 add (i32 ptrtoint (ptr @g to i32), i32 -1), label [[X:%.*]] [10; CHECK-NEXT: ]11; CHECK: x:12; CHECK-NEXT: ret i32 013;14 switch i32 add (i32 ptrtoint (ptr @g to i32), i32 -1), label %x []15x:16 ret i32 017}18 19define i32 @multiple_cases() {20; CHECK-LABEL: @multiple_cases(21; CHECK-NEXT: switch i32 add (i32 ptrtoint (ptr @g to i32), i32 -1), label [[X:%.*]] [22; CHECK-NEXT: i32 1, label [[ONE:%.*]]23; CHECK-NEXT: i32 2, label [[TWO:%.*]]24; CHECK-NEXT: ]25; CHECK: x:26; CHECK-NEXT: ret i32 027; CHECK: one:28; CHECK-NEXT: ret i32 129; CHECK: two:30; CHECK-NEXT: ret i32 231;32 switch i32 add (i32 ptrtoint (ptr @g to i32), i32 -1), label %x [33 i32 1, label %one34 i32 2, label %two35 ]36x:37 ret i32 038 39one:40 ret i32 141 42two:43 ret i32 244}45