add atomicrmw sub test

2 files changed, 22 insertions, 0 deletions

diff --git a/tests/cases/atomicrmw_dec.ll b/tests/cases/atomicrmw_dec.ll
new file mode 100644
index 00000000..0ff08a5d
--- /dev/null
+++ b/tests/cases/atomicrmw_dec.ll
@@ -0,0 +1,21 @@
+; ModuleID = 'tests/hello_world.bc'
+target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:32"
+target triple = "le32-unknown-nacl"
+
+@.str = private unnamed_addr constant [15 x i8] c"hello, %d,%d!\0A\00", align 1 ; [#uses=1 type=[15 x i8]*]
+
+; [#uses=0]
+define i32 @main() {
+entry:
+  %t = alloca i32, align 4                  ; [#uses=2 type=i32**]
+  store i32 50, i32* %t, align 4
+  %0 = load i32* %t
+  %1 = atomicrmw sub i32* %t, i32 3 seq_cst ; [#uses=0 type=i32] [debug line = 21:12]
+  %2 = load i32* %t
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0), i32 %0, i32 %2) ; [#uses=0 type=i32]
+  %3 = atomicrmw volatile add i32* %t, i32 3 seq_cst ; [#uses=0 type=i32] [debug line = 21:12]
+  ret i32 1
+}
+
+; [#uses=1]
+declare i32 @printf(i8*, ...)
diff --git a/tests/cases/atomicrmw_dec.txt b/tests/cases/atomicrmw_dec.txt
new file mode 100644
index 00000000..e8dcb406
--- /dev/null
+++ b/tests/cases/atomicrmw_dec.txt
@@ -0,0 +1 @@
+hello, 50,47!