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llvm-mirror/test/MC/AArch64/adr-diagnostics.s

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[AArch64] Attempt to parse more operands as expressions This tries to make use of evaluateAsRelocatable in AArch64AsmParser::classifySymbolRef to parse more complex expressions as relocatable operands. It is hopefully better than the existing code which only handles Symbol +- Constant. This allows us to parse more complex adr/adrp, mov, ldr/str and add operands. It also loosens the requirements on parsing addends in ld/st and mov's and adds a number of tests. Differential Revision: https://reviews.llvm.org/D51792 llvm-svn: 342455
2018-09-18 11:44:53 +02:00
// RUN: not llvm-mc -triple aarch64-none-linux-gnu %s -filetype=obj -o /dev/null 2>&1 | FileCheck %s
adr x0, -start
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adr x0, -start
// CHECK-NEXT: ^
adr x1, start * 10
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adr x1, start * 10
// CHECK-NEXT: ^
adr x2, 2 * (start + 987136)
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adr x2, 2 * (start + 987136)
// CHECK-NEXT: ^
adr x3, (end + start)
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adr x3, (end + start)
// CHECK-NEXT: ^
adr x4, #(end - start)
[MC] Delete unnecessary diagnostic: "No relocation available to represent this relative expression" Replace - error: No relocation available to represent this relative expression with + error: symbol 'undef' can not be undefined in a subtraction expression or + error: Cannot represent a difference across sections Keep !IsPcRel as an assertion after the two diagnostic checks are done. llvm-svn: 369239
2019-08-19 09:59:35 +02:00
// CHECK: error: symbol 'start' can not be undefined in a subtraction expression
[AArch64] Attempt to parse more operands as expressions This tries to make use of evaluateAsRelocatable in AArch64AsmParser::classifySymbolRef to parse more complex expressions as relocatable operands. It is hopefully better than the existing code which only handles Symbol +- Constant. This allows us to parse more complex adr/adrp, mov, ldr/str and add operands. It also loosens the requirements on parsing addends in ld/st and mov's and adds a number of tests. Differential Revision: https://reviews.llvm.org/D51792 llvm-svn: 342455
2018-09-18 11:44:53 +02:00
// CHECK-NEXT: adr x4, #(end - start)
// CHECK-NEXT: ^
adrp x0, -start
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adrp x0, -start
// CHECK-NEXT: ^
adrp x1, start * 10
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adrp x1, start * 10
// CHECK-NEXT: ^
adrp x2, 2 * (start + 987136)
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adrp x2, 2 * (start + 987136)
// CHECK-NEXT: ^
adrp x3, (end + start)
// CHECK: error: expected relocatable expression
// CHECK-NEXT: adrp x3, (end + start)
// CHECK-NEXT: ^
adrp x4, #(end - start)
[MC] Delete unnecessary diagnostic: "No relocation available to represent this relative expression" Replace - error: No relocation available to represent this relative expression with + error: symbol 'undef' can not be undefined in a subtraction expression or + error: Cannot represent a difference across sections Keep !IsPcRel as an assertion after the two diagnostic checks are done. llvm-svn: 369239
2019-08-19 09:59:35 +02:00
// CHECK: error: symbol 'start' can not be undefined in a subtraction expression
[AArch64] Attempt to parse more operands as expressions This tries to make use of evaluateAsRelocatable in AArch64AsmParser::classifySymbolRef to parse more complex expressions as relocatable operands. It is hopefully better than the existing code which only handles Symbol +- Constant. This allows us to parse more complex adr/adrp, mov, ldr/str and add operands. It also loosens the requirements on parsing addends in ld/st and mov's and adds a number of tests. Differential Revision: https://reviews.llvm.org/D51792 llvm-svn: 342455
2018-09-18 11:44:53 +02:00
// CHECK-NEXT: adrp x4, #(end - start)
// CHECK-NEXT: ^
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