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; 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
}
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