1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes
2 ; RUN: opt -passes=simplifycfg --switch-to-lookup -S < %s | FileCheck %s
3 target triple = "x86_64-unknown-linux-gnu"
5 @alloc0 = private unnamed_addr constant <{ [2 x i8] }> <{ [2 x i8] c"A1" }>, align 1
6 @alloc1 = private unnamed_addr constant <{ [2 x i8] }> <{ [2 x i8] c"B2" }>, align 1
7 @alloc2 = private unnamed_addr constant <{ [2 x i8] }> <{ [2 x i8] c"C3" }>, align 1
9 define { ptr, i64 } @switch_to_lookup_gep(i8 %0) unnamed_addr {
10 ; CHECK-LABEL: @switch_to_lookup_gep(
12 ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x ptr], ptr @switch.table.switch_to_lookup_gep, i32 0, i8 [[TMP0:%.*]]
13 ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load ptr, ptr [[SWITCH_GEP]], align 8
14 ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { ptr, i64 } undef, ptr [[SWITCH_LOAD]], 0
15 ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { ptr, i64 } [[TMP1]], i64 1, 1
16 ; CHECK-NEXT: ret { ptr, i64 } [[TMP2]]
19 switch i8 %0, label %default [
38 %.sroa.0.0 = phi ptr [ getelementptr inbounds (<{ [2 x i8] }>, ptr @alloc0, i32 0, i32 0, i32 1), %bb0 ], [ getelementptr inbounds (<{ [2 x i8] }>, ptr @alloc1, i32 0, i32 0, i32 1), %bb1 ], [ getelementptr inbounds (<{ [2 x i8] }>, ptr @alloc2, i32 0, i32 0, i32 1), %bb2 ]
39 %1 = insertvalue { ptr, i64 } undef, ptr %.sroa.0.0, 0
40 %2 = insertvalue { ptr, i64 } %1, i64 1, 1
44 define { ptr, i64 } @switch_to_lookup_gep_oob(i8 %0) unnamed_addr {
45 ; CHECK-LABEL: @switch_to_lookup_gep_oob(
47 ; CHECK-NEXT: switch i8 [[TMP0:%.*]], label [[DEFAULT:%.*]] [
48 ; CHECK-NEXT: i8 0, label [[END:%.*]]
49 ; CHECK-NEXT: i8 1, label [[BB1:%.*]]
50 ; CHECK-NEXT: i8 2, label [[BB2:%.*]]
53 ; CHECK-NEXT: br label [[END]]
55 ; CHECK-NEXT: br label [[END]]
57 ; CHECK-NEXT: unreachable
59 ; CHECK-NEXT: [[DOTSROA_0_0:%.*]] = phi ptr [ getelementptr (<{ [2 x i8] }>, ptr @alloc1, i32 0, i32 0, i32 4), [[BB1]] ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc2, i32 0, i32 0, i32 4), [[BB2]] ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc0, i32 0, i32 0, i32 4), [[START:%.*]] ]
60 ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { ptr, i64 } undef, ptr [[DOTSROA_0_0]], 0
61 ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { ptr, i64 } [[TMP1]], i64 1, 1
62 ; CHECK-NEXT: ret { ptr, i64 } [[TMP2]]
65 switch i8 %0, label %default [
84 %.sroa.0.0 = phi ptr [ getelementptr (<{ [2 x i8] }>, ptr @alloc0, i32 0, i32 0, i32 4), %bb0 ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc1, i32 0, i32 0, i32 4), %bb1 ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc2, i32 0, i32 0, i32 4), %bb2 ]
85 %1 = insertvalue { ptr, i64 } undef, ptr %.sroa.0.0, 0
86 %2 = insertvalue { ptr, i64 } %1, i64 1, 1
90 define { ptr, i64 } @switch_to_lookup_gep_ptrtoint(i8 %0) unnamed_addr {
91 ; CHECK-LABEL: @switch_to_lookup_gep_ptrtoint(
93 ; CHECK-NEXT: switch i8 [[TMP0:%.*]], label [[DEFAULT:%.*]] [
94 ; CHECK-NEXT: i8 0, label [[END:%.*]]
95 ; CHECK-NEXT: i8 1, label [[BB1:%.*]]
96 ; CHECK-NEXT: i8 2, label [[BB2:%.*]]
99 ; CHECK-NEXT: br label [[END]]
101 ; CHECK-NEXT: br label [[END]]
103 ; CHECK-NEXT: unreachable
105 ; CHECK-NEXT: [[DOTSROA_0_0:%.*]] = phi ptr [ getelementptr (<{ [2 x i8] }>, ptr @alloc1, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), [[BB1]] ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc2, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), [[BB2]] ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc0, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), [[START:%.*]] ]
106 ; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { ptr, i64 } undef, ptr [[DOTSROA_0_0]], 0
107 ; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { ptr, i64 } [[TMP1]], i64 1, 1
108 ; CHECK-NEXT: ret { ptr, i64 } [[TMP2]]
111 switch i8 %0, label %default [
130 %.sroa.0.0 = phi ptr [ getelementptr (<{ [2 x i8] }>, ptr @alloc0, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), %bb0 ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc1, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), %bb1 ], [ getelementptr (<{ [2 x i8] }>, ptr @alloc2, i32 0, i32 0, i64 ptrtoint (ptr @alloc0 to i64)), %bb2 ]
131 %1 = insertvalue { ptr, i64 } undef, ptr %.sroa.0.0, 0
132 %2 = insertvalue { ptr, i64 } %1, i64 1, 1