Home | History | Annotate | Download | only in ARM
      1 ; ARM EHABI integrated test
      2 
      3 ; This test case checks that the ARM DWARF stack frame directives
      4 ; are not generated if compiling with no debug information.
      5   
      6 ; RUN: llc -mtriple arm-unknown-linux-gnueabi \
      7 ; RUN:     -filetype=asm -o - %s \
      8 ; RUN:   | FileCheck %s --check-prefix=CHECK-FP-ELIM
      9 
     10 ; RUN: llc -mtriple thumb-unknown-linux-gnueabi \
     11 ; RUN:     -disable-fp-elim -filetype=asm -o - %s \
     12 ; RUN:   | FileCheck %s --check-prefix=CHECK-THUMB-FP
     13 
     14 ;-------------------------------------------------------------------------------
     15 ; Test 1
     16 ;-------------------------------------------------------------------------------
     17 ; This is the LLVM assembly generated from following C++ code:
     18 ;
     19 ;   extern void print(int, int, int, int, int);
     20 ;   extern void print(double, double, double, double, double);
     21 ;
     22 ;   void test(int a, int b, int c, int d, int e,
     23 ;             double m, double n, double p, double q, double r) {
     24 ;     try {
     25 ;       print(a, b, c, d, e);
     26 ;     } catch (...) {
     27 ;       print(m, n, p, q, r);
     28 ;     }
     29 ;   }
     30 
     31 declare void @_Z5printiiiii(i32, i32, i32, i32, i32)
     32 
     33 declare void @_Z5printddddd(double, double, double, double, double)
     34 
     35 define void @_Z4testiiiiiddddd(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e,
     36                                double %m, double %n, double %p,
     37                                double %q, double %r) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
     38 entry:
     39   invoke void @_Z5printiiiii(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e)
     40           to label %try.cont unwind label %lpad
     41 
     42 lpad:
     43   %0 = landingpad { i8*, i32 }
     44           catch i8* null
     45   %1 = extractvalue { i8*, i32 } %0, 0
     46   %2 = tail call i8* @__cxa_begin_catch(i8* %1)
     47   invoke void @_Z5printddddd(double %m, double %n, double %p,
     48                              double %q, double %r)
     49           to label %invoke.cont2 unwind label %lpad1
     50 
     51 invoke.cont2:
     52   tail call void @__cxa_end_catch()
     53   br label %try.cont
     54 
     55 try.cont:
     56   ret void
     57 
     58 lpad1:
     59   %3 = landingpad { i8*, i32 }
     60           cleanup
     61   invoke void @__cxa_end_catch()
     62           to label %eh.resume unwind label %terminate.lpad
     63 
     64 eh.resume:
     65   resume { i8*, i32 } %3
     66 
     67 terminate.lpad:
     68   %4 = landingpad { i8*, i32 }
     69           catch i8* null
     70   %5 = extractvalue { i8*, i32 } %4, 0
     71   tail call void @__clang_call_terminate(i8* %5)
     72   unreachable
     73 }
     74 
     75 declare void @__clang_call_terminate(i8*)
     76 
     77 declare i32 @__gxx_personality_v0(...)
     78 
     79 declare i8* @__cxa_begin_catch(i8*)
     80 
     81 declare void @__cxa_end_catch()
     82 
     83 declare void @_ZSt9terminatev()
     84 
     85 ; CHECK-FP-ELIM-LABEL: _Z4testiiiiiddddd:
     86 ; CHECK-FP-ELIM-NOT:   .cfi_startproc
     87 ; CHECK-FP-ELIM:   push  {r4, r5, r6, r7, r8, r9, r10, r11, lr}
     88 ; CHECK-FP-ELIM-NOT:   .cfi_def_cfa_offset 36
     89 
     90 ; CHECK-THUMB-FP-LABEL: _Z4testiiiiiddddd:
     91 ; CHECK-THUMB-FP-NOT:   .cfi_startproc
     92 ; CHECK-THUMB-FP:   push   {r4, r5, r6, r7, lr}
     93 ; CHECK-THUMB-FP-NOT:   .cfi_def_cfa_offset 20
     94 
     95