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-rw-r--r--llvm/test/MC/Mips/set-at-directive-explicit-at.s23
1 files changed, 12 insertions, 11 deletions
diff --git a/llvm/test/MC/Mips/set-at-directive-explicit-at.s b/llvm/test/MC/Mips/set-at-directive-explicit-at.s
index 28a7091c8d2..d2d1c1d4627 100644
--- a/llvm/test/MC/Mips/set-at-directive-explicit-at.s
+++ b/llvm/test/MC/Mips/set-at-directive-explicit-at.s
@@ -1,32 +1,34 @@
# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \
# RUN: 2>%t1 | FileCheck %s
# RUN: FileCheck -check-prefix=WARNINGS %s < %t1
-# Check that the assembler can handle the documented syntax
-# for ".set at" and set the correct value. The correct value for $at is always
-# $1 when written by the user.
+
+# Check that the assembler can handle the documented syntax for ".set at" and
+# will set the correct value for $at.
+# Note that writing $at is always the same as writing $1.
+
.text
foo:
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
.set at=$1
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
.set at=$1
jr $1
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
.set at=$at
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $at without ".set noat"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
.set at=$at
jr $1
-# WARNINGS-NOT: warning: used $at without ".set noat"
+# WARNINGS-NOT: warning: used $at (currently ${{[0-9]+}}) without ".set noat"
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
.set at=$2
jr $at
@@ -41,12 +43,11 @@ foo:
jr $at
# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $16 with ".set at=$16"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat"
.set at=$16
jr $s0
# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
-# WARNINGS: :[[@LINE+2]]:11: warning: used $16 with ".set at=$16"
+# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat"
.set at=$16
jr $16
-# WARNINGS-NOT: warning
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