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71 lines
2.6 KiB
LLVM
71 lines
2.6 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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;; Tests that reloc to _MergedGlobals show up as explicit symbol reloc
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target triple = "armv7-none-linux-gnueabi"
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@var_tls = thread_local global i32 1
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@var_tls_double = thread_local global double 1.000000e+00
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@var_static = internal global i32 1
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@var_static_double = internal global double 1.000000e+00
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@var_global = global i32 1
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@var_global_double = global double 1.000000e+00
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declare i32 @mystrlen(i8* nocapture %s) nounwind
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declare void @myhextochar(i32 %n, i8* nocapture %buffer)
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declare void @__aeabi_read_tp() nounwind
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declare void @__nacl_read_tp() nounwind
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define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
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entry:
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switch i32 %argc, label %bb3 [
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i32 555, label %bb
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i32 6666, label %bb2
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]
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bb: ; preds = %entry
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store volatile i32 11, i32* @var_tls, align 4
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store volatile double 2.200000e+01, double* @var_tls_double, align 8
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store volatile i32 33, i32* @var_static, align 4
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store volatile double 4.400000e+01, double* @var_static_double, align 8
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store volatile i32 55, i32* @var_global, align 4
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store volatile double 6.600000e+01, double* @var_global_double, align 8
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br label %bb3
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bb2: ; preds = %entry
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ret i32 add (i32 add (i32 add (i32 ptrtoint (i32* @var_tls to i32), i32 add (i32 ptrtoint (i32* @var_static to i32), i32 ptrtoint (i32* @var_global to i32))), i32 ptrtoint (double* @var_tls_double to i32)), i32 add (i32 ptrtoint (double* @var_static_double to i32), i32 ptrtoint (double* @var_global_double to i32)))
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bb3: ; preds = %bb, %entry
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tail call void @exit(i32 55) 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', 0x000002
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;; OBJ-NEXT: 'r_type', 0x2b
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;; OBJ: Symbol 2
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;; OBJ-NEXT: '_MergedGlobals'
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;; OBJ-NEXT: 'st_value', 0x00000010
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