107 lines · plain
1; RUN: llc -mtriple armv7-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=ARM-PIC -check-prefix=ARM2; RUN: llc -mtriple armv7-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM3; RUN: llc -mtriple armv7-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM4; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=THUMB1-PIC -check-prefix=THUMB15; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB16; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB17 8@_ZTIi = external constant ptr9 10define i32 @main() #0 personality ptr @__gxx_personality_sj0 {11entry:12 %exception = tail call ptr @__cxa_allocate_exception(i32 4) #113 store i32 1, ptr %exception, align 414 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #215 to label %unreachable unwind label %lpad16 17lpad: ; preds = %entry18 %0 = landingpad { ptr, i32 }19 catch ptr null20 %1 = extractvalue { ptr, i32 } %0, 021 %2 = tail call ptr @__cxa_begin_catch(ptr %1) #122 tail call void @__cxa_end_catch()23 ret i32 024 25unreachable: ; preds = %entry26 unreachable27}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: vst1.6444; ARM: vst1.6445 46; ARM-PIC: cxa_throw47; ARM-PIC: trap48; 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 jt3253; ARM-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]54; ARM-PIC: .end_data_region55; ARM-PIC: [[LABEL]]56 57; ARM-NOPIC: cxa_throw58; ARM-NOPIC: trap59; 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 jt3264; ARM-NOPIC: .long [[LABEL:LBB0_[0-9]]]65; ARM-NOPIC: .end_data_region66; ARM-NOPIC: [[LABEL]]67 68; ARM: vld1.6469; ARM: vld1.6470 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 a73; problem as the FP regs don't need saving. However, if this code is linked74; against ARM code that uses the FP regs, they won't be restored correctly. We75; don't support this use-case, but have no way to prevent it in the compiler.76 77; THUMB1: push {{[^d]*$}}78; THUMB1-NOT: vst79 80; THUMB1-PIC: cxa_throw81; THUMB1-PIC: trap82; THUMB1-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]83; THUMB1-PIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]]84; THUMB1-PIC: ldr [[REG0]]85; THUMB1-PIC: adds [[REG0]], [[REG0]], [[REG1]]86; THUMB1-PIC: mov pc, [[REG0]]87; THUMB1-PIC: [[LJTI]]88; THUMB1-PIC: .data_region jt3289; THUMB1-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]90; THUMB1-PIC: .end_data_region91; THUMB1-PIC: [[LABEL]]92 93; THUMB1-NOPIC: cxa_throw94; THUMB1-NOPIC: trap95; THUMB1-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]96; THUMB1-NOPIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]]97; THUMB1-NOPIC: ldr [[REG0]]98; THUMB1-NOPIC: mov pc, [[REG0]]99; THUMB1-NOPIC: [[LJTI]]100; THUMB1-NOPIC: .data_region jt32101; THUMB1-NOPIC: .long [[LABEL:LBB0_[0-9]]]+1102; THUMB1-NOPIC: .end_data_region103; THUMB1-NOPIC: [[LABEL]]104 105; THUMB1-NOT: vld106; THUMB1: pop {{[^d]*$}}107