1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic | FileCheck %s 2 3 ; Thumb2 target should reorder the bb's in order to use tbb / tbh. 4 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] 10 11 declare i32 @strlen(i8* nocapture) nounwind readonly 12 13 declare void @Z_fatal(i8*) noreturn nounwind 14 15 declare noalias i8* @calloc(i32, i32) nounwind 16 17 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind { 18 ; CHECK-LABEL: main: 19 ; CHECK: tbb 20 entry: 21 br label %bb42.i 22 23 bb1.i2: ; preds = %bb42.i 24 br label %bb40.i 25 26 bb5.i: ; preds = %bb42.i 27 %0 = or i32 %argc, 32 ; <i32> [#uses=1] 28 br label %bb40.i 29 30 bb7.i: ; preds = %bb42.i 31 call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 0, i8* null) nounwind 32 unreachable 33 34 bb15.i: ; preds = %bb42.i 35 call void @_T_addtol(%struct._T_tstr** @_T_gtol, i32 2, i8* null) nounwind 36 unreachable 37 38 bb23.i: ; preds = %bb42.i 39 %1 = call i32 @strlen(i8* null) nounwind readonly ; <i32> [#uses=0] 40 unreachable 41 42 bb33.i: ; preds = %bb42.i 43 store i32 0, i32* @_C_nextcmd, align 4 44 %2 = call noalias i8* @calloc(i32 21, i32 1) nounwind ; <i8*> [#uses=0] 45 unreachable 46 47 bb34.i: ; preds = %bb42.i 48 %3 = load i32, i32* @_C_nextcmd, align 4 ; <i32> [#uses=1] 49 %4 = add i32 %3, 1 ; <i32> [#uses=1] 50 store i32 %4, i32* @_C_nextcmd, align 4 51 %5 = call noalias i8* @calloc(i32 22, i32 1) nounwind ; <i8*> [#uses=0] 52 unreachable 53 54 bb35.i: ; preds = %bb42.i 55 %6 = call noalias i8* @calloc(i32 20, i32 1) nounwind ; <i8*> [#uses=0] 56 unreachable 57 58 bb37.i: ; preds = %bb42.i 59 %7 = call noalias i8* @calloc(i32 14, i32 1) nounwind ; <i8*> [#uses=0] 60 unreachable 61 62 bb39.i: ; preds = %bb42.i 63 call void @Z_fatal(i8* getelementptr ([28 x i8], [28 x i8]* @.str31, i32 0, i32 0)) nounwind 64 unreachable 65 66 bb40.i: ; preds = %bb42.i, %bb5.i, %bb1.i2 67 br label %bb42.i 68 69 bb42.i: ; preds = %bb40.i, %entry 70 switch i32 %argc, label %bb39.i [ 71 i32 67, label %bb33.i 72 i32 70, label %bb35.i 73 i32 77, label %bb37.i 74 i32 83, label %bb34.i 75 i32 97, label %bb7.i 76 i32 100, label %bb5.i 77 i32 101, label %bb40.i 78 i32 102, label %bb23.i 79 i32 105, label %bb15.i 80 i32 116, label %bb1.i2 81 ] 82 } 83 84 declare void @_T_addtol(%struct._T_tstr** nocapture, i32, i8*) nounwind 85
