| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -S | FileCheck %s |
| ; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=i386-unknown-unknown -relocation-model=pic -S | FileCheck %s |
| ; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -relocation-model=pic -code-model=medium -S | FileCheck %s |
| ; RUN: opt < %s -passes=rel-lookup-table-converter -mtriple=x86_64-linux -relocation-model=pic -code-model=large -S | FileCheck %s |
| target 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" |
| |
| @.str = private unnamed_addr constant [5 x i8] c"zero\00", align 1 |
| @.str.1 = private unnamed_addr constant [4 x i8] c"one\00", align 1 |
| @.str.2 = private unnamed_addr constant [4 x i8] c"two\00", align 1 |
| @.str.3 = private unnamed_addr constant [8 x i8] c"default\00", align 1 |
| |
| @switch.table.string_table = private unnamed_addr constant [3 x ptr] |
| [ |
| ptr @.str, |
| ptr @.str.1, |
| ptr @.str.2 |
| ], align 8 |
| |
| ; Switch lookup table |
| ; CHECK: @switch.table.string_table = private unnamed_addr constant [3 x ptr] |
| ; CHECK-SAME: [ |
| ; CHECK-SAME: ptr @.str, |
| ; CHECK-SAME: ptr @.str.1, |
| ; CHECK-SAME: ptr @.str.2 |
| ; CHECK-SAME: ], align 8 |
| |
| ; ; Relative switch lookup table for strings |
| define ptr @string_table(i32 %cond) { |
| ; CHECK-LABEL: @string_table( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 [[COND:%.*]], 3 |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[RETURN:%.*]] |
| ; CHECK: switch.lookup: |
| ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x ptr], ptr @switch.table.string_table, i32 0, i32 [[COND]] |
| ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load ptr, ptr [[SWITCH_GEP]], align 8 |
| ; CHECK-NEXT: ret ptr [[SWITCH_LOAD]] |
| ; CHECK: return: |
| ; CHECK-NEXT: ret ptr @.str.3 |
| |
| entry: |
| %0 = icmp ult i32 %cond, 3 |
| br i1 %0, label %switch.lookup, label %return |
| |
| switch.lookup: ; preds = %entry |
| %switch.gep = getelementptr inbounds [3 x ptr], ptr @switch.table.string_table, i32 0, i32 %cond |
| %switch.load = load ptr, ptr %switch.gep, align 8 |
| ret ptr %switch.load |
| |
| return: ; preds = %entry |
| ret ptr @.str.3 |
| } |
