1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -S | FileCheck %s 3; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=i386-unknown-unknown -relocation-model=pic -S | FileCheck %s 4; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -relocation-model=pic -code-model=medium -S | FileCheck %s 5; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -relocation-model=pic -code-model=large -S | FileCheck %s 6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 7 8@.str = private unnamed_addr constant [5 x i8] c"zero\00", align 1 9@.str.1 = private unnamed_addr constant [4 x i8] c"one\00", align 1 10@.str.2 = private unnamed_addr constant [4 x i8] c"two\00", align 1 11@.str.3 = private unnamed_addr constant [8 x i8] c"default\00", align 1 12 13@switch.table.string_table = private unnamed_addr constant [3 x ptr] 14 [ 15 ptr @.str, 16 ptr @.str.1, 17 ptr @.str.2 18 ], align 8 19 20; Switch lookup table 21; CHECK: @switch.table.string_table = private unnamed_addr constant [3 x ptr] 22; CHECK-SAME: [ 23; CHECK-SAME: ptr @.str, 24; CHECK-SAME: ptr @.str.1, 25; CHECK-SAME: ptr @.str.2 26; CHECK-SAME: ], align 8 27 28; ; Relative switch lookup table for strings 29define ptr @string_table(i32 %cond) { 30 ; CHECK-LABEL: @string_table( 31 ; CHECK-NEXT: entry: 32 ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 [[COND:%.*]], 3 33 ; CHECK-NEXT: br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[RETURN:%.*]] 34 ; CHECK: switch.lookup: 35 ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x ptr], ptr @switch.table.string_table, i32 0, i32 [[COND]] 36 ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load ptr, ptr [[SWITCH_GEP]], align 8 37 ; CHECK-NEXT: ret ptr [[SWITCH_LOAD]] 38 ; CHECK: return: 39 ; CHECK-NEXT: ret ptr @.str.3 40 41entry: 42 %0 = icmp ult i32 %cond, 3 43 br i1 %0, label %switch.lookup, label %return 44 45switch.lookup: ; preds = %entry 46 %switch.gep = getelementptr inbounds [3 x ptr], ptr @switch.table.string_table, i32 0, i32 %cond 47 %switch.load = load ptr, ptr %switch.gep, align 8 48 ret ptr %switch.load 49 50return: ; preds = %entry 51 ret ptr @.str.3 52} 53