1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; REQUIRES: x86-registered-target 3; RUN: opt < %s -passes=rel-lookup-table-converter -relocation-model=pic -S | FileCheck %s 4target 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" 5target triple = "x86_64-unknown-linux-gnu" 6 7@a = internal constant i32 0, align 4 8@b = internal constant i32 0, align 4 9@c = internal constant i32 0, align 4 10 11@table1 = private unnamed_addr constant [3 x ptr] [ptr @a, ptr @b, ptr @c], align 8 12@table2 = private unnamed_addr constant [3 x ptr] [ptr @a, ptr @b, ptr @c], align 8 13@table3 = private unnamed_addr constant [3 x ptr] [ptr @a, ptr @b, ptr @c], align 8 14 15define ptr @test(i32 %cond) { 16; CHECK-LABEL: @test( 17; CHECK-NEXT: [[RELTABLE_SHIFT:%.*]] = shl i32 [[COND:%.*]], 2 18; CHECK-NEXT: [[RELTABLE_INTRINSIC:%.*]] = call ptr @llvm.load.relative.i32(ptr @table1.rel, i32 [[RELTABLE_SHIFT]]) 19; CHECK-NEXT: ret ptr [[RELTABLE_INTRINSIC]] 20; 21 %switch.gep = getelementptr inbounds [3 x ptr], ptr @table1, i32 0, i32 %cond 22 %switch.load = load ptr, ptr %switch.gep, align 8 23 ret ptr %switch.load 24} 25 26define i32 @test_different_load_type(i32 %cond) { 27; CHECK-LABEL: @test_different_load_type( 28; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x ptr], ptr @table2, i32 0, i32 [[COND:%.*]] 29; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i32, ptr [[SWITCH_GEP]], align 8 30; CHECK-NEXT: ret i32 [[SWITCH_LOAD]] 31; 32 %switch.gep = getelementptr inbounds [3 x ptr], ptr @table2, i32 0, i32 %cond 33 %switch.load = load i32, ptr %switch.gep, align 8 34 ret i32 %switch.load 35} 36 37define i8 @test_different_gep_type(i32 %cond) { 38; CHECK-LABEL: @test_different_gep_type( 39; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x i8], ptr @table3, i32 0, i32 [[COND:%.*]] 40; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i8, ptr [[SWITCH_GEP]], align 8 41; CHECK-NEXT: ret i8 [[SWITCH_LOAD]] 42; 43 %switch.gep = getelementptr inbounds [3 x i8], ptr @table3, i32 0, i32 %cond 44 %switch.load = load i8, ptr %switch.gep, align 8 45 ret i8 %switch.load 46} 47 48!llvm.module.flags = !{!0, !1} 49!0 = !{i32 7, !"PIC Level", i32 2} 50!1 = !{i32 1, !"Code Model", i32 1} 51!4 = !{!"any pointer", !5, i64 0} 52!5 = !{!"omnipotent char", !6, i64 0} 53!6 = !{!"Simple C/C++ TBAA"} 54