98 lines
2.7 KiB
LLVM
98 lines
2.7 KiB
LLVM
;; RUN: llc -mtriple=armv7-linux-gnueabi -O3 \
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;; RUN: -mcpu=cortex-a8 -mattr=-neon -mattr=+vfp2 -arm-reserve-r9 \
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;; RUN: -filetype=obj %s -o - | \
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;; RUN: elf-dump --dump-section-data | FileCheck -check-prefix=OBJ %s
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;; FIXME: This file needs to be in .s form!
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;; The args to llc are there to constrain the codegen only.
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;;
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;; Ensure no regression on ARM/gcc compatibility for
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;; emitting explicit symbol relocs for nonexternal symbols
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;; versus section symbol relocs (with offset) -
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;;
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;; Default llvm behavior is to emit as section symbol relocs nearly
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;; everything that is not an undefined external. Unfortunately, this
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;; diverges from what codesourcery ARM/gcc does!
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;;
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;; Verifies that internal constants appear as explict symbol relocs
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target triple = "armv7-none-linux-gnueabi"
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@startval = global i32 5
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@vtable = internal constant [10 x i32 (...)*] [i32 (...)* bitcast (i32 ()* @foo0 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo1 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo2 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo3 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo4 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo5 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo6 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo7 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo8 to i32 (...)*), i32 (...)* bitcast (i32 ()* @foo9 to i32 (...)*)]
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declare i32 @mystrlen(i8* nocapture %s) nounwind readonly
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declare void @myhextochar(i32 %n, i8* nocapture %buffer) nounwind
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define internal i32 @foo0() nounwind readnone {
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entry:
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ret i32 0
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}
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define internal i32 @foo1() nounwind readnone {
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entry:
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ret i32 1
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}
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define internal i32 @foo2() nounwind readnone {
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entry:
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ret i32 2
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}
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define internal i32 @foo3() nounwind readnone {
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entry:
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ret i32 3
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}
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define internal i32 @foo4() nounwind readnone {
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entry:
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ret i32 4
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}
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define internal i32 @foo5() nounwind readnone {
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entry:
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ret i32 55
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}
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define internal i32 @foo6() nounwind readnone {
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entry:
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ret i32 6
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}
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define internal i32 @foo7() nounwind readnone {
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entry:
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ret i32 7
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}
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define internal i32 @foo8() nounwind readnone {
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entry:
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ret i32 8
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}
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define internal i32 @foo9() nounwind readnone {
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entry:
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ret i32 9
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}
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define i32 @main() nounwind {
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entry:
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%0 = load i32* @startval, align 4
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%1 = getelementptr inbounds [10 x i32 (...)*]* @vtable, i32 0, i32 %0
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%2 = load i32 (...)** %1, align 4
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%3 = tail call i32 (...)* %2() nounwind
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tail call void @exit(i32 %3) noreturn nounwind
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unreachable
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}
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declare void @exit(i32) noreturn nounwind
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;; OBJ: Relocation 1
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;; OBJ-NEXT: 'r_offset',
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;; OBJ-NEXT: 'r_sym', 0x00000c
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;; OBJ-NEXT: 'r_type', 0x2b
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;; OBJ: Symbol 12
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;; OBJ-NEXT: 'vtable'
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