29 lines
725 B
LLVM
29 lines
725 B
LLVM
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; RUN: llc -mtriple thumbv7-windows-itanium -filetype asm -o - %s | FileCheck %s
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@_begin = external global i8
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@_end = external global i8
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declare arm_aapcs_vfpcc void @force_emission()
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define arm_aapcs_vfpcc void @bundle() {
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entry:
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br i1 icmp uge (i32 sub (i32 ptrtoint (i8* @_end to i32), i32 ptrtoint (i8* @_begin to i32)), i32 4), label %if.then, label %if.end
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if.then:
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tail call arm_aapcs_vfpcc void @force_emission()
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br label %if.end
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if.end:
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ret void
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}
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; CHECK-LABEL: bundle
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; CHECK-NOT: subs r0, r1, r0
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; CHECK: movw r0, :lower16:_begin
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; CHECK-NEXT: movt r0, :upper16:_begin
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; CHECK-NEXT: movw r1, :lower16:_end
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; CHECK-NEXT: movt r1, :upper16:_end
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; CHECK-NEXT: subs r0, r1, r0
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; CHECK-NEXT: cmp r0, #4
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