[llvm] 67acc34 - [MC][test] Improve offset.s
Fangrui Song via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 8 09:58:09 PDT 2022
Author: Fangrui Song
Date: 2022-04-08T09:58:04-07:00
New Revision: 67acc34e2ad89f18a6d66d72ddc30e77c5aff7d9
URL: https://github.com/llvm/llvm-project/commit/67acc34e2ad89f18a6d66d72ddc30e77c5aff7d9
DIFF: https://github.com/llvm/llvm-project/commit/67acc34e2ad89f18a6d66d72ddc30e77c5aff7d9.diff
LOG: [MC][test] Improve offset.s
Added:
Modified:
llvm/test/MC/ELF/offset.s
Removed:
################################################################################
diff --git a/llvm/test/MC/ELF/offset.s b/llvm/test/MC/ELF/offset.s
index d98405eda9901..8d7fd3cd1459c 100644
--- a/llvm/test/MC/ELF/offset.s
+++ b/llvm/test/MC/ELF/offset.s
@@ -1,77 +1,54 @@
-// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj --symbols - | FileCheck %s
+# RUN: llvm-mc -filetype=obj -triple x86_64 %s -o %t
+# RUN: llvm-readelf -s %t | FileCheck %s
+
+## Test that a variable declared with "var = other_var + cst" is in the same
+## section as other_var and its value is the value of other_var + cst.
+## In addition, its st_size inherits from other_var.
+
+# CHECK: 0: {{.*}}
+# CHECK-NEXT: 0000000000000001 42 OBJECT GLOBAL DEFAULT [[#A:]] a
+# CHECK-NEXT: 0000000000000005 0 NOTYPE GLOBAL DEFAULT [[#A]] b
+# CHECK-NEXT: 0000000000000001 42 OBJECT GLOBAL DEFAULT [[#A]] a1
+# CHECK-NEXT: 0000000000000002 42 OBJECT GLOBAL DEFAULT [[#A]] c
+# CHECK-NEXT: 000000000000000d 42 OBJECT GLOBAL DEFAULT [[#A]] d
+# CHECK-NEXT: 000000000000000d 42 OBJECT GLOBAL DEFAULT [[#A]] d1
+# CHECK-NEXT: 000000000000000d 42 OBJECT GLOBAL DEFAULT [[#A]] d2
+# CHECK-NEXT: 0000000000000001 41 OBJECT GLOBAL DEFAULT [[#A]] e
+# CHECK-NEXT: 0000000000000001 42 OBJECT GLOBAL DEFAULT [[#A]] e1
+# CHECK-NEXT: 0000000000000001 42 OBJECT GLOBAL DEFAULT [[#A]] e2
+# CHECK-NEXT: 0000000000000002 42 OBJECT GLOBAL DEFAULT [[#A]] e3
+# CHECK-NEXT: 0000000000000005 0 NOTYPE GLOBAL DEFAULT [[#A]] test2_a
+# CHECK-NEXT: 0000000000000005 0 NOTYPE GLOBAL DEFAULT [[#A]] test2_b
+# CHECK-NEXT: 0000000000000009 0 NOTYPE GLOBAL DEFAULT [[#A]] test2_c
+# CHECK-NEXT: 0000000000000009 0 NOTYPE GLOBAL DEFAULT [[#A]] test2_d
+# CHECK-NEXT: 0000000000000004 0 NOTYPE GLOBAL DEFAULT ABS test2_e
+# CHECK-NEXT: 0000000000000001 42 OBJECT GLOBAL DEFAULT [[#A]] e at v1
-// Test that a variable declared with "var = other_var + cst" is in the same
-// section as other_var and its value is the value of other_var + cst.
.data
- .globl sym_a
- .size sym_a, 42
+ .globl a
+ .size a, 42
.byte 42
- .type sym_a, @object
-sym_a:
-
-// CHECK: Symbol {
-// CHECK: Name: sym_a
-// CHECK-NEXT: Value: 0x1
-// CHECK-NEXT: Size: 42
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: Object
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
+ .type a, @object
+a:
.long 42
- .globl sym_b
-sym_b:
- .globl sym_c
-sym_c = sym_a
-// CHECK: Symbol {
-// CHECK: Name: sym_c
-// CHECK-NEXT: Value: 0x1
-// CHECK-NEXT: Size: 42
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: Object
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-
- .globl sym_d
-sym_d = sym_a + 1
-// CHECK: Symbol {
-// CHECK: Name: sym_d
-// CHECK-NEXT: Value: 0x2
-// CHECK-NEXT: Size: 42
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: Object
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
+ .globl b, a1, c, d, d1, d2, e, e1, e2, e3
+b:
+a1 = a
+c = a + 1
- .globl sym_e
-sym_e = sym_a + (sym_b - sym_a) * 3
-// CHECK: Symbol {
-// CHECK: Name: sym_e
-// CHECK-NEXT: Value: 0xD
-// CHECK-NEXT: Size: 42
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: Object
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-
-
- .globl sym_f
-sym_f = sym_a + (1 - 1)
-// CHECK: Symbol {
-// CHECK: Name: sym_f
-// CHECK-NEXT: Value: 0x1
-// CHECK-NEXT: Size: 42
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: Object
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
+## These st_size fields inherit from a.
+d = a + (b - a) * 3
+.set d1, d
+d2 = d1
+e = a + (1 - 1)
+.size e, 41
+## FIXME These st_size fields inherit from e instead of a.
+.set e1, e
+.set e2, e1
+e3 = e1 + 1
.globl test2_a
.globl test2_b
@@ -85,48 +62,6 @@ test2_c:
.long 0
test2_d = test2_c
test2_e = test2_d - test2_b
-// CHECK: Symbol {
-// CHECK: Name: test2_a
-// CHECK-NEXT: Value: 0x5
-// CHECK-NEXT: Size: 0
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: None
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-// CHECK-NEXT: Symbol {
-// CHECK-NEXT: Name: test2_b
-// CHECK-NEXT: Value: 0x5
-// CHECK-NEXT: Size: 0
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: None
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-// CHECK-NEXT: Symbol {
-// CHECK-NEXT: Name: test2_c
-// CHECK-NEXT: Value: 0x9
-// CHECK-NEXT: Size: 0
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: None
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-// CHECK-NEXT: Symbol {
-// CHECK-NEXT: Name: test2_d
-// CHECK-NEXT: Value: 0x9
-// CHECK-NEXT: Size: 0
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: None
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: .data
-// CHECK-NEXT: }
-// CHECK-NEXT: Symbol {
-// CHECK-NEXT: Name: test2_e
-// CHECK-NEXT: Value: 0x4
-// CHECK-NEXT: Size: 0
-// CHECK-NEXT: Binding: Global
-// CHECK-NEXT: Type: None
-// CHECK-NEXT: Other: 0
-// CHECK-NEXT: Section: Absolute
-// CHECK-NEXT: }
+
+## e at v1's st_size equals e's st_size.
+.symver e, e at v1
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