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llvm-mirror/test/MC/ELF/relax-arith.s
Fangrui Song 25a0241f66 [llvm-objdump] -d: print 00000000 <foo>: instead of 00000000 foo: 
The new behavior matches GNU objdump. A pair of angle brackets makes tests slightly easier.

`.foo:` is not unique and thus cannot be used in a `CHECK-LABEL:` directive.
Without `-LABEL`, the CHECK line can match the `Disassembly of section`
line and causes the next `CHECK-NEXT:` to fail.

```
Disassembly of section .foo:

0000000000001634 .foo:
```

Bdragon: <> has metalinguistic connotation. it just "feels right"

Reviewed By: rupprecht

Differential Revision: https://reviews.llvm.org/D75713
2020-03-05 18:05:28 -08:00

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// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-objdump -d - | FileCheck %s
// Test that we correctly relax these instructions into versions that use
// 16 or 32 bit immediate values.
bar:
// CHECK: Disassembly of section imul:
// CHECK-EMPTY:
// CHECK-NEXT: <imul>:
// CHECK-NEXT: 0: 66 69 db 00 00 imulw $0, %bx, %bx
// CHECK-NEXT: 5: 66 69 1c 25 00 00 00 00 00 00 imulw $0, 0, %bx
// CHECK-NEXT: f: 69 db 00 00 00 00 imull $0, %ebx, %ebx
// CHECK-NEXT: 15: 69 1c 25 00 00 00 00 00 00 00 00 imull $0, 0, %ebx
// CHECK-NEXT: 20: 48 69 db 00 00 00 00 imulq $0, %rbx, %rbx
// CHECK-NEXT: 27: 48 69 1c 25 00 00 00 00 00 00 00 00 imulq $0, 0, %rbx
.section imul,"x"
imul $foo, %bx, %bx
imul $foo, bar, %bx
imul $foo, %ebx, %ebx
imul $foo, bar, %ebx
imul $foo, %rbx, %rbx
imul $foo, bar, %rbx
// CHECK: Disassembly of section and:
// CHECK-EMPTY:
// CHECK-NEXT: <and>:
// CHECK-NEXT: 0: 66 81 e3 00 00 andw $0, %bx
// CHECK-NEXT: 5: 66 81 24 25 00 00 00 00 00 00 andw $0, 0
// CHECK-NEXT: f: 81 e3 00 00 00 00 andl $0, %ebx
// CHECK-NEXT: 15: 81 24 25 00 00 00 00 00 00 00 00 andl $0, 0
// CHECK-NEXT: 20: 48 81 e3 00 00 00 00 andq $0, %rbx
// CHECK-NEXT: 27: 48 81 24 25 00 00 00 00 00 00 00 00 andq $0, 0
.section and,"x"
and $foo, %bx
andw $foo, bar
and $foo, %ebx
andl $foo, bar
and $foo, %rbx
andq $foo, bar
// CHECK: <or>:
// CHECK-NEXT: 0: 66 81 cb 00 00 orw $0, %bx
// CHECK-NEXT: 5: 66 81 0c 25 00 00 00 00 00 00 orw $0, 0
// CHECK-NEXT: f: 81 cb 00 00 00 00 orl $0, %ebx
// CHECK-NEXT: 15: 81 0c 25 00 00 00 00 00 00 00 00 orl $0, 0
// CHECK-NEXT: 20: 48 81 cb 00 00 00 00 orq $0, %rbx
// CHECK-NEXT: 27: 48 81 0c 25 00 00 00 00 00 00 00 00 orq $0, 0
.section or,"x"
or $foo, %bx
orw $foo, bar
or $foo, %ebx
orl $foo, bar
or $foo, %rbx
orq $foo, bar
// CHECK: Disassembly of section xor:
// CHECK-EMPTY:
// CHECK-NEXT: <xor>:
// CHECK-NEXT: 0: 66 81 f3 00 00 xorw $0, %bx
// CHECK-NEXT: 5: 66 81 34 25 00 00 00 00 00 00 xorw $0, 0
// CHECK-NEXT: f: 81 f3 00 00 00 00 xorl $0, %ebx
// CHECK-NEXT: 15: 81 34 25 00 00 00 00 00 00 00 00 xorl $0, 0
// CHECK-NEXT: 20: 48 81 f3 00 00 00 00 xorq $0, %rbx
// CHECK-NEXT: 27: 48 81 34 25 00 00 00 00 00 00 00 00 xorq $0, 0
.section xor,"x"
xor $foo, %bx
xorw $foo, bar
xor $foo, %ebx
xorl $foo, bar
xor $foo, %rbx
xorq $foo, bar
// CHECK: Disassembly of section add:
// CHECK-EMPTY:
// CHECK-NEXT: <add>:
// CHECK-NEXT: 0: 66 81 c3 00 00 addw $0, %bx
// CHECK-NEXT: 5: 66 81 04 25 00 00 00 00 00 00 addw $0, 0
// CHECK-NEXT: f: 81 c3 00 00 00 00 addl $0, %ebx
// CHECK-NEXT: 15: 81 04 25 00 00 00 00 00 00 00 00 addl $0, 0
// CHECK-NEXT: 20: 48 81 c3 00 00 00 00 addq $0, %rbx
// CHECK-NEXT: 27: 48 81 04 25 00 00 00 00 00 00 00 00 addq $0, 0
.section add,"x"
add $foo, %bx
addw $foo, bar
add $foo, %ebx
addl $foo, bar
add $foo, %rbx
addq $foo, bar
// CHECK: Disassembly of section sub:
// CHECK-EMPTY:
// CHECK-NEXT: <sub>:
// CHECK-NEXT: 0: 66 81 eb 00 00 subw $0, %bx
// CHECK-NEXT: 5: 66 81 2c 25 00 00 00 00 00 00 subw $0, 0
// CHECK-NEXT: f: 81 eb 00 00 00 00 subl $0, %ebx
// CHECK-NEXT: 15: 81 2c 25 00 00 00 00 00 00 00 00 subl $0, 0
// CHECK-NEXT: 20: 48 81 eb 00 00 00 00 subq $0, %rbx
// CHECK-NEXT: 27: 48 81 2c 25 00 00 00 00 00 00 00 00 subq $0, 0
.section sub,"x"
sub $foo, %bx
subw $foo, bar
sub $foo, %ebx
subl $foo, bar
sub $foo, %rbx
subq $foo, bar
// CHECK: Disassembly of section cmp:
// CHECK-EMPTY:
// CHECK-NEXT: <cmp>:
// CHECK-NEXT: 0: 66 81 fb 00 00 cmpw $0, %bx
// CHECK-NEXT: 5: 66 81 3c 25 00 00 00 00 00 00 cmpw $0, 0
// CHECK-NEXT: f: 81 fb 00 00 00 00 cmpl $0, %ebx
// CHECK-NEXT: 15: 81 3c 25 00 00 00 00 00 00 00 00 cmpl $0, 0
// CHECK-NEXT: 20: 48 81 fb 00 00 00 00 cmpq $0, %rbx
// CHECK-NEXT: 27: 48 81 3c 25 00 00 00 00 00 00 00 00 cmpq $0, 0
.section cmp,"x"
cmp $foo, %bx
cmpw $foo, bar
cmp $foo, %ebx
cmpl $foo, bar
cmp $foo, %rbx
cmpq $foo, bar
// CHECK: Disassembly of section push:
// CHECK-EMPTY:
// CHECK-NEXT: <push>:
// CHECK-NEXT: 0: 66 68 00 00 pushw $0
// CHECK-NEXT: 4: 68 00 00 00 00 pushq $0
.section push,"x"
pushw $foo
push $foo
// CHECK: Disassembly of section adc:
// CHECK-EMPTY:
// CHECK-NEXT: <adc>:
// CHECK-NEXT: 0: 66 81 d3 00 00 adcw $0, %bx
// CHECK-NEXT: 5: 66 81 14 25 00 00 00 00 00 00 adcw $0, 0
// CHECK-NEXT: f: 81 d3 00 00 00 00 adcl $0, %ebx
// CHECK-NEXT: 15: 81 14 25 00 00 00 00 00 00 00 00 adcl $0, 0
// CHECK-NEXT: 20: 48 81 d3 00 00 00 00 adcq $0, %rbx
// CHECK-NEXT: 27: 48 81 14 25 00 00 00 00 00 00 00 00 adcq $0, 0
.section adc,"x"
adc $foo, %bx
adcw $foo, bar
adc $foo, %ebx
adcl $foo, bar
adc $foo, %rbx
adcq $foo, bar
// CHECK: Disassembly of section sbb:
// CHECK-EMPTY:
// CHECK-NEXT: <sbb>:
// CHECK-NEXT: 0: 66 81 db 00 00 sbbw $0, %bx
// CHECK-NEXT: 5: 66 81 1c 25 00 00 00 00 00 00 sbbw $0, 0
// CHECK-NEXT: f: 81 db 00 00 00 00 sbbl $0, %ebx
// CHECK-NEXT: 15: 81 1c 25 00 00 00 00 00 00 00 00 sbbl $0, 0
// CHECK-NEXT: 20: 48 81 db 00 00 00 00 sbbq $0, %rbx
// CHECK-NEXT: 27: 48 81 1c 25 00 00 00 00 00 00 00 00 sbbq $0, 0
.section sbb,"x"
sbb $foo, %bx
sbbw $foo, bar
sbb $foo, %ebx
sbbl $foo, bar
sbb $foo, %rbx
sbbq $foo, bar
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