1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic | FileCheck %s
3 ; Thumb2 target should reorder the bb's in order to use tbb / tbh.
5 %struct.R_flstr = type { i32, i32, i8* }
6 %struct._T_tstr = type { i32, %struct.R_flstr*, %struct._T_tstr* }
7 @_C_nextcmd = external global i32 ; <i32*> [#uses=3]
8 @.str31 = external constant [28 x i8], align 1 ; <[28 x i8]*> [#uses=1]
9 @_T_gtol = external global %struct._T_tstr* ; <%struct._T_tstr**> [#uses=2]
11 declare i32 @strlen(i8* nocapture) nounwind readonly
13 declare void @Z_fatal(i8*) noreturn nounwind
15 declare noalias i8* @calloc(i32, i32) nounwind
17 ; Jump tables are not anchored next to the TBB/TBH any more. Make sure the
18 ; correct address is still calculated (i.e. via a PC-relative symbol *at* the
20 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
22 ; CHECK-NOT: adr {{r[0-9]+}}, LJTI
23 ; CHECK: [[PCREL_ANCHOR:LCPI[0-9]+_[0-9]+]]:
24 ; CHECK-NEXT: tbb [pc, {{r[0-9]+}}]
27 ; CHECK-NEXT: .data_region jt8
28 ; CHECK-NEXT: .byte (LBB{{[0-9]+_[0-9]+}}-([[PCREL_ANCHOR]]+4))/2
33 bb1.i2: ; preds = %bb42.i
36 bb5.i: ; preds = %bb42.i
37 %0 = or i32 %argc, 32 ; <i32> [#uses=1]
40 bb7.i: ; preds = %bb42.i
41 call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 0, i8* null) nounwind
44 bb15.i: ; preds = %bb42.i
45 call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 2, i8* null) nounwind
48 bb23.i: ; preds = %bb42.i
49 %1 = call i32 @strlen(i8* null) nounwind readonly ; <i32> [#uses=0]
52 bb33.i: ; preds = %bb42.i
53 store i32 0, i32* @_C_nextcmd, align 4
54 %2 = call noalias i8* @calloc(i32 21, i32 1) nounwind ; <i8*> [#uses=0]
57 bb34.i: ; preds = %bb42.i
58 %3 = load i32, i32* @_C_nextcmd, align 4 ; <i32> [#uses=1]
59 %4 = add i32 %3, 1 ; <i32> [#uses=1]
60 store i32 %4, i32* @_C_nextcmd, align 4
61 %5 = call noalias i8* @calloc(i32 22, i32 1) nounwind ; <i8*> [#uses=0]
64 bb35.i: ; preds = %bb42.i
65 %6 = call noalias i8* @calloc(i32 20, i32 1) nounwind ; <i8*> [#uses=0]
68 bb37.i: ; preds = %bb42.i
69 %7 = call noalias i8* @calloc(i32 14, i32 1) nounwind ; <i8*> [#uses=0]
72 bb39.i: ; preds = %bb42.i
73 call void @Z_fatal(i8* getelementptr ([28 x i8], [28 x i8]* @.str31, i32 0, i32 0)) nounwind
76 bb40.i: ; preds = %bb42.i, %bb5.i, %bb1.i2
79 bb42.i: ; preds = %bb40.i, %entry
80 switch i32 %argc, label %bb39.i [
87 i32 101, label %bb40.i
88 i32 102, label %bb23.i
89 i32 105, label %bb15.i
90 i32 116, label %bb1.i2
94 declare void @_T_addtol(%struct._T_tstr** nocapture, i32, i8*) nounwind