Home | History | Annotate | Download | only in ARM
      1 ; RUN: llc < %s -mtriple=arm-apple-ios -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC
      2 ; RUN: llc < %s -mtriple=arm-apple-ios -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=NO-PIC -check-prefix=STATIC
      3 ; RUN: llc < %s -mtriple=arm-apple-ios -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s  -check-prefix=NO-PIC -check-prefix=DYNAMIC-NO-PIC
      4 ; RUN: llc < %s -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=pic -no-integrated-as | FileCheck %s -check-prefix=PIC-V7
      5 ; RUN: llc < %s -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=static -no-integrated-as | FileCheck %s -check-prefix=STATIC-V7
      6 ; RUN: llc < %s -mtriple=armv7-apple-ios -mcpu=cortex-a8 -relocation-model=dynamic-no-pic -no-integrated-as | FileCheck %s -check-prefix=DYNAMIC-NO-PIC-V7
      7 
      8 ;PIC:   foo2
      9 ;PIC:   ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]]
     10 ;PIC: [[LABEL1:LPC0_1]]:
     11 ;PIC:   add [[R1:r[0-9]+]], pc, [[R0]]
     12 ;PIC:   ldr [[R2:r[0-9]+]], {{\[}}[[R1]]{{\]}}
     13 ;PIC:   ldr {{r[0-9]+}}, {{\[}}[[R2]]{{\]}}
     14 
     15 ;PIC:      [[LABEL0]]:
     16 ;PIC-NEXT:   .long L___stack_chk_guard$non_lazy_ptr-([[LABEL1]]+8)
     17 
     18 ;NO-PIC: foo2
     19 ;NO-PIC: ldr [[R0:r[0-9]+]], [[LABEL0:LCPI[0-9_]+]]
     20 ;NO-PIC-NOT: LPC
     21 ;NO-PIC: ldr {{r[0-9]+}}, {{\[}}[[R0]]{{\]}}
     22 
     23 ;STATIC:      [[LABEL0]]:
     24 ;STATIC-NEXT:   .long ___stack_chk_guard
     25 
     26 ;DYNAMIC-NO-PIC:      [[LABEL0]]:
     27 ;DYNAMIC-NO-PIC-NEXT:   .long L___stack_chk_guard$non_lazy_ptr
     28 
     29 ;PIC-V7:   movw [[R0:r[0-9]+]], :lower16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0:LPC[0-9_]+]]+8))
     30 ;PIC-V7:   movt [[R0]], :upper16:(L___stack_chk_guard$non_lazy_ptr-([[LABEL0]]+8))
     31 ;PIC-V7: [[LABEL0]]:
     32 ;PIC-V7:   ldr [[R0]], {{\[}}pc, [[R0]]{{\]}}
     33 ;PIC-V7:   ldr [[R0]], {{\[}}[[R0]]{{\]}}
     34 
     35 ;PIC-V7: L___stack_chk_guard$non_lazy_ptr:
     36 ;PIC-V7:   .indirect_symbol        ___stack_chk_guard
     37 
     38 ;STATIC-V7: movw [[R0:r[0-9]+]], :lower16:___stack_chk_guard
     39 ;STATIC-V7: movt [[R0]], :upper16:___stack_chk_guard
     40 ;STATIC-V7: ldr  [[R0]], {{\[}}[[R0]]{{\]}}
     41 
     42 ;DYNAMIC-NO-PIC-V7: movw [[R0:r[0-9]+]], :lower16:L___stack_chk_guard$non_lazy_ptr
     43 ;DYNAMIC-NO-PIC-V7: movt [[R0]], :upper16:L___stack_chk_guard$non_lazy_ptr
     44 ;DYNAMIC-NO-PIC-V7: ldr  [[R0]], {{\[}}[[R0]]{{\]}}
     45 ;DYNAMIC-NO-PIC-V7: ldr  [[R0]], {{\[}}[[R0]]{{\]}}
     46 
     47 ;DYNAMIC-NO-PIC-V7: L___stack_chk_guard$non_lazy_ptr:
     48 ;DYNAMIC-NO-PIC-V7:   .indirect_symbol        ___stack_chk_guard
     49 
     50 ; Function Attrs: nounwind ssp
     51 define i32 @test_stack_guard_remat() #0 {
     52   %a1 = alloca [256 x i32], align 4
     53   %1 = bitcast [256 x i32]* %a1 to i8*
     54   call void @llvm.lifetime.start(i64 1024, i8* %1)
     55   %2 = getelementptr inbounds [256 x i32], [256 x i32]* %a1, i32 0, i32 0
     56   call void @foo3(i32* %2) #3
     57   call void asm sideeffect "foo2", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{sp},~{lr}"()
     58   call void @llvm.lifetime.end(i64 1024, i8* %1)
     59   ret i32 0
     60 }
     61 
     62 ; Function Attrs: nounwind
     63 declare void @llvm.lifetime.start(i64, i8* nocapture)
     64 
     65 declare void @foo3(i32*)
     66 
     67 ; Function Attrs: nounwind
     68 declare void @llvm.lifetime.end(i64, i8* nocapture)
     69 
     70 attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     71