1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/X86/asm-modifier-P.ll b/test/CodeGen/X86/asm-modifier-P.ll
new file mode 100644
index 0000000..65cee9d
--- /dev/null
+++ b/test/CodeGen/X86/asm-modifier-P.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep gs: | not grep rip
+; PR3379
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+@per_cpu__cpu_number = external global i32              ; <i32*> [#uses=1]
+
+define void @pat_init() nounwind {
+entry:
+        %0 = call i32 asm "movl %gs:${1:P},$0", "=r,*m,~{dirflag},~{fpsr},~{flags}"(i32* @per_cpu__cpu_number) nounwind         ; <i32> [#uses=0]
+        unreachable
+}