; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic | FileCheck %s --check-prefix=CHECK --check-prefix=T2 ; RUN: llc < %s -mtriple=thumbv6m-apple-darwin -relocation-model=pic | FileCheck %s --check-prefix=T1DISABLED ; FIXME: llc < %s -mtriple=thumbv6m-apple-darwin -relocation-model=pic | FileCheck %s --check-prefix=CHECK --check-prefix=T1 ; FIXME: llc < %s -mtriple=thumbv6m-apple-darwin -relocation-model=static | FileCheck %s --check-prefix=CHECK --check-prefix=T1 ; FIXME: Thumb1 tests temporarily disabled; MachineLICM is now hoisting the ; subs, so the jump table can't be formed. ; T1DISABLED: .data_region jt32 ; Thumb2 target should reorder the bb's in order to use tbb / tbh. %struct.R_flstr = type { i32, i32, i8* } %struct._T_tstr = type { i32, %struct.R_flstr*, %struct._T_tstr* } @_C_nextcmd = external global i32 ; <i32*> [#uses=3] @.str31 = external constant [28 x i8], align 1 ; <[28 x i8]*> [#uses=1] @_T_gtol = external global %struct._T_tstr* ; <%struct._T_tstr**> [#uses=2] declare i32 @strlen(i8* nocapture) nounwind readonly declare void @Z_fatal(i8*) noreturn nounwind declare noalias i8* @calloc(i32, i32) nounwind ; Jump tables are not anchored next to the TBB/TBH any more. Make sure the ; correct address is still calculated (i.e. via a PC-relative symbol *at* the ; TBB/TBH). define i32 @main(i32 %argc, i8** nocapture %argv) nounwind { ; CHECK-LABEL: main: ; CHECK-NOT: adr {{r[0-9]+}}, LJTI ; T1: lsls r[[x:[0-9]+]], {{r[0-9]+}}, #1 ; CHECK: [[PCREL_ANCHOR:LCPI[0-9]+_[0-9]+]]: ; T2-NEXT: tbb [pc, {{r[0-9]+}}] ; T1-NEXT: add pc, r[[x]] ; CHECK: LJTI0_0: ; CHECK-NEXT: .data_region jt8 ; CHECK-NEXT: .byte (LBB{{[0-9]+_[0-9]+}}-([[PCREL_ANCHOR]]+4))/2 entry: br label %bb42.i bb1.i2: ; preds = %bb42.i br label %bb40.i bb5.i: ; preds = %bb42.i %0 = or i32 %argc, 32 ; <i32> [#uses=1] br label %bb40.i bb7.i: ; preds = %bb42.i call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 0, i8* null) nounwind unreachable bb15.i: ; preds = %bb42.i call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 2, i8* null) nounwind unreachable bb23.i: ; preds = %bb42.i %1 = call i32 @strlen(i8* null) nounwind readonly ; <i32> [#uses=0] unreachable bb33.i: ; preds = %bb42.i store i32 0, i32* @_C_nextcmd, align 4 %2 = call noalias i8* @calloc(i32 21, i32 1) nounwind ; <i8*> [#uses=0] unreachable bb34.i: ; preds = %bb42.i %3 = load i32, i32* @_C_nextcmd, align 4 ; <i32> [#uses=1] %4 = add i32 %3, 1 ; <i32> [#uses=1] store i32 %4, i32* @_C_nextcmd, align 4 %5 = call noalias i8* @calloc(i32 22, i32 1) nounwind ; <i8*> [#uses=0] unreachable bb35.i: ; preds = %bb42.i %6 = call noalias i8* @calloc(i32 20, i32 1) nounwind ; <i8*> [#uses=0] unreachable bb37.i: ; preds = %bb42.i %7 = call noalias i8* @calloc(i32 14, i32 1) nounwind ; <i8*> [#uses=0] unreachable bb39.i: ; preds = %bb42.i call void @Z_fatal(i8* getelementptr ([28 x i8], [28 x i8]* @.str31, i32 0, i32 0)) nounwind unreachable bb40.i: ; preds = %bb42.i, %bb5.i, %bb1.i2 br label %bb42.i bb42.i: ; preds = %bb40.i, %entry switch i32 %argc, label %bb39.i [ i32 67, label %bb33.i i32 70, label %bb35.i i32 77, label %bb37.i i32 83, label %bb34.i i32 97, label %bb7.i i32 100, label %bb5.i i32 101, label %bb40.i i32 102, label %bb23.i i32 105, label %bb15.i i32 116, label %bb1.i2 ] } declare void @_T_addtol(%struct._T_tstr** nocapture, i32, i8*) nounwind