1; RUN: llc -mtriple armv7-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=ARM-PIC -check-prefix=ARM 2; RUN: llc -mtriple armv7-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM 3; RUN: llc -mtriple armv7-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM 4; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=THUMB1-PIC -check-prefix=THUMB1 5; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB1 6; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB1 7 8@_ZTIi = external constant ptr 9 10define i32 @main() #0 personality ptr @__gxx_personality_sj0 { 11entry: 12 %exception = tail call ptr @__cxa_allocate_exception(i32 4) #1 13 store i32 1, ptr %exception, align 4 14 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #2 15 to label %unreachable unwind label %lpad 16 17lpad: ; preds = %entry 18 %0 = landingpad { ptr, i32 } 19 catch ptr null 20 %1 = extractvalue { ptr, i32 } %0, 0 21 %2 = tail call ptr @__cxa_begin_catch(ptr %1) #1 22 tail call void @__cxa_end_catch() 23 ret i32 0 24 25unreachable: ; preds = %entry 26 unreachable 27} 28 29declare ptr @__cxa_allocate_exception(i32) 30 31declare void @__cxa_throw(ptr, ptr, ptr) 32 33declare ptr @__cxa_begin_catch(ptr) 34 35declare void @__cxa_end_catch() 36 37declare i32 @__gxx_personality_sj0(...) 38 39attributes #0 = { ssp } 40attributes #1 = { nounwind } 41attributes #2 = { noreturn } 42 43; ARM: vst1.64 44; ARM: vst1.64 45 46; ARM-PIC: cxa_throw 47; ARM-PIC: trap 48; ARM-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 49; ARM-PIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]] 50; ARM-PIC: add pc, [[REG0]], [[REG1]] 51; ARM-PIC: [[LJTI]] 52; ARM-PIC: .data_region jt32 53; ARM-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]] 54; ARM-PIC: .end_data_region 55; ARM-PIC: [[LABEL]] 56 57; ARM-NOPIC: cxa_throw 58; ARM-NOPIC: trap 59; ARM-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 60; ARM-NOPIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]] 61; ARM-NOPIC: mov pc, [[REG0]] 62; ARM-NOPIC: [[LJTI]] 63; ARM-NOPIC: .data_region jt32 64; ARM-NOPIC: .long [[LABEL:LBB0_[0-9]]] 65; ARM-NOPIC: .end_data_region 66; ARM-NOPIC: [[LABEL]] 67 68; ARM: vld1.64 69; ARM: vld1.64 70 71; On Thumb1 targets, we have no way to preserve the floating-point registers. 72; If all other code is built for Thumb1 or is built soft-float, this is not a 73; problem as the FP regs don't need saving. However, if this code is linked 74; against ARM code that uses the FP regs, they won't be restored correctly. We 75; don't support this use-case, but have no way to prevent it in the compiler. 76 77; THUMB1: push {{[^d]*$}} 78; THUMB1-NOT: vst 79 80; THUMB1-PIC: cxa_throw 81; THUMB1-PIC: trap 82; THUMB1-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 83; THUMB1-PIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]] 84; THUMB1-PIC: ldr [[REG0]] 85; THUMB1-PIC: adds [[REG0]], [[REG0]], [[REG1]] 86; THUMB1-PIC: mov pc, [[REG0]] 87; THUMB1-PIC: [[LJTI]] 88; THUMB1-PIC: .data_region jt32 89; THUMB1-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]] 90; THUMB1-PIC: .end_data_region 91; THUMB1-PIC: [[LABEL]] 92 93; THUMB1-NOPIC: cxa_throw 94; THUMB1-NOPIC: trap 95; THUMB1-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 96; THUMB1-NOPIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]] 97; THUMB1-NOPIC: ldr [[REG0]] 98; THUMB1-NOPIC: mov pc, [[REG0]] 99; THUMB1-NOPIC: [[LJTI]] 100; THUMB1-NOPIC: .data_region jt32 101; THUMB1-NOPIC: .long [[LABEL:LBB0_[0-9]]]+1 102; THUMB1-NOPIC: .end_data_region 103; THUMB1-NOPIC: [[LABEL]] 104 105; THUMB1-NOT: vld 106; THUMB1: pop {{[^d]*$}} 107