108 lines
3.7 KiB
LLVM
108 lines
3.7 KiB
LLVM
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; RUN: llc -mtriple armv7-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=ARM-PIC -check-prefix=ARM
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; RUN: llc -mtriple armv7-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM
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; RUN: llc -mtriple armv7-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=ARM-NOPIC -check-prefix=ARM
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; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=THUMB1-PIC -check-prefix=THUMB1
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; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB1
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; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC -check-prefix=THUMB1
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@_ZTIi = external constant i8*
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define i32 @main() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
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entry:
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%exception = tail call i8* @__cxa_allocate_exception(i32 4) #1
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%0 = bitcast i8* %exception to i32*
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store i32 1, i32* %0, align 4
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invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #2
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to label %unreachable unwind label %lpad
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lpad: ; preds = %entry
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%1 = landingpad { i8*, i32 }
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catch i8* null
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%2 = extractvalue { i8*, i32 } %1, 0
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%3 = tail call i8* @__cxa_begin_catch(i8* %2) #1
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tail call void @__cxa_end_catch()
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ret i32 0
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unreachable: ; preds = %entry
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unreachable
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}
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declare i8* @__cxa_allocate_exception(i32)
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declare void @__cxa_throw(i8*, i8*, i8*)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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declare i32 @__gxx_personality_sj0(...)
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attributes #0 = { ssp }
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attributes #1 = { nounwind }
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attributes #2 = { noreturn }
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; ARM: vst1.64
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; ARM: vst1.64
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; ARM-PIC: cxa_throw
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; ARM-PIC: trap
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; ARM-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
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; ARM-PIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]]
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; ARM-PIC: add pc, [[REG0]], [[REG1]]
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; ARM-PIC: [[LJTI]]
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; ARM-PIC: .data_region jt32
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; ARM-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]
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; ARM-PIC: .end_data_region
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; ARM-PIC: [[LABEL]]
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; ARM-NOPIC: cxa_throw
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; ARM-NOPIC: trap
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; ARM-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
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; ARM-NOPIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]]
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; ARM-NOPIC: mov pc, [[REG0]]
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; ARM-NOPIC: [[LJTI]]
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; ARM-NOPIC: .data_region jt32
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; ARM-NOPIC: .long [[LABEL:LBB0_[0-9]]]
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; ARM-NOPIC: .end_data_region
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; ARM-NOPIC: [[LABEL]]
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; ARM: vld1.64
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; ARM: vld1.64
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; On Thumb1 targets, we have no way to preserve the floating-point registers.
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; If all other code is built for Thumb1 or is built soft-float, this is not a
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; problem as the FP regs don't need saving. However, if this code is linked
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; against ARM code that uses the FP regs, they won't be restored correctly. We
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; don't support this use-case, but have no way to prevent it in the compiler.
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; THUMB1: push {{[^d]*$}}
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; THUMB1-NOT: vst
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; THUMB1-PIC: cxa_throw
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; THUMB1-PIC: trap
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; THUMB1-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
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; THUMB1-PIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]]
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; THUMB1-PIC: ldr [[REG0]]
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; THUMB1-PIC: adds [[REG0]], [[REG0]], [[REG1]]
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; THUMB1-PIC: mov pc, [[REG0]]
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; THUMB1-PIC: [[LJTI]]
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; THUMB1-PIC: .data_region jt32
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; THUMB1-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]
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; THUMB1-PIC: .end_data_region
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; THUMB1-PIC: [[LABEL]]
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; THUMB1-NOPIC: cxa_throw
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; THUMB1-NOPIC: trap
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; THUMB1-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
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; THUMB1-NOPIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]]
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; THUMB1-NOPIC: ldr [[REG0]]
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; THUMB1-NOPIC: mov pc, [[REG0]]
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; THUMB1-NOPIC: [[LJTI]]
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; THUMB1-NOPIC: .data_region jt32
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; THUMB1-NOPIC: .long [[LABEL:LBB0_[0-9]]]+1
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; THUMB1-NOPIC: .end_data_region
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; THUMB1-NOPIC: [[LABEL]]
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; THUMB1-NOT: vld
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; THUMB1: pop {{[^d]*$}}
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