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 i8* 9 10define i32 @main() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) { 11entry: 12 %exception = tail call i8* @__cxa_allocate_exception(i32 4) #1 13 %0 = bitcast i8* %exception to i32* 14 store i32 1, i32* %0, align 4 15 invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #2 16 to label %unreachable unwind label %lpad 17 18lpad: ; preds = %entry 19 %1 = landingpad { i8*, i32 } 20 catch i8* null 21 %2 = extractvalue { i8*, i32 } %1, 0 22 %3 = tail call i8* @__cxa_begin_catch(i8* %2) #1 23 tail call void @__cxa_end_catch() 24 ret i32 0 25 26unreachable: ; preds = %entry 27 unreachable 28} 29 30declare i8* @__cxa_allocate_exception(i32) 31 32declare void @__cxa_throw(i8*, i8*, i8*) 33 34declare i8* @__cxa_begin_catch(i8*) 35 36declare void @__cxa_end_catch() 37 38declare i32 @__gxx_personality_sj0(...) 39 40attributes #0 = { ssp } 41attributes #1 = { nounwind } 42attributes #2 = { noreturn } 43 44; ARM: vst1.64 45; ARM: vst1.64 46 47; ARM-PIC: cxa_throw 48; ARM-PIC: trap 49; ARM-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 50; ARM-PIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]] 51; ARM-PIC: add pc, [[REG0]], [[REG1]] 52; ARM-PIC: [[LJTI]] 53; ARM-PIC: .data_region jt32 54; ARM-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]] 55; ARM-PIC: .end_data_region 56; ARM-PIC: [[LABEL]] 57 58; ARM-NOPIC: cxa_throw 59; ARM-NOPIC: trap 60; ARM-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 61; ARM-NOPIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]] 62; ARM-NOPIC: mov pc, [[REG0]] 63; ARM-NOPIC: [[LJTI]] 64; ARM-NOPIC: .data_region jt32 65; ARM-NOPIC: .long [[LABEL:LBB0_[0-9]]] 66; ARM-NOPIC: .end_data_region 67; ARM-NOPIC: [[LABEL]] 68 69; ARM: vld1.64 70; ARM: vld1.64 71 72; On Thumb1 targets, we have no way to preserve the floating-point registers. 73; If all other code is built for Thumb1 or is built soft-float, this is not a 74; problem as the FP regs don't need saving. However, if this code is linked 75; against ARM code that uses the FP regs, they won't be restored correctly. We 76; don't support this use-case, but have no way to prevent it in the compiler. 77 78; THUMB1: push {{[^d]*$}} 79; THUMB1-NOT: vst 80 81; THUMB1-PIC: cxa_throw 82; THUMB1-PIC: trap 83; THUMB1-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 84; THUMB1-PIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]] 85; THUMB1-PIC: ldr [[REG0]] 86; THUMB1-PIC: adds [[REG0]], [[REG0]], [[REG1]] 87; THUMB1-PIC: mov pc, [[REG0]] 88; THUMB1-PIC: [[LJTI]] 89; THUMB1-PIC: .data_region jt32 90; THUMB1-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]] 91; THUMB1-PIC: .end_data_region 92; THUMB1-PIC: [[LABEL]] 93 94; THUMB1-NOPIC: cxa_throw 95; THUMB1-NOPIC: trap 96; THUMB1-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]] 97; THUMB1-NOPIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]] 98; THUMB1-NOPIC: ldr [[REG0]] 99; THUMB1-NOPIC: mov pc, [[REG0]] 100; THUMB1-NOPIC: [[LJTI]] 101; THUMB1-NOPIC: .data_region jt32 102; THUMB1-NOPIC: .long [[LABEL:LBB0_[0-9]]]+1 103; THUMB1-NOPIC: .end_data_region 104; THUMB1-NOPIC: [[LABEL]] 105 106; THUMB1-NOT: vld 107; THUMB1: pop {{[^d]*$}} 108