add testcase for use of call outputs to absolute targets

2 files changed, 28 insertions, 0 deletions

diff --git a/tests/cases/usenullcall.ll b/tests/cases/usenullcall.ll
new file mode 100644
index 00000000..6fcf6bbb
--- /dev/null
+++ b/tests/cases/usenullcall.ll
@@ -0,0 +1,27 @@
+; 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-v128:32:128-n32-S128"
+target triple = "asmjs-unknown-emscripten"
+
+@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1
+@.str1 = private unnamed_addr constant [15 x i8] c"hello, worldA\0A\00", align 1
+@.str2 = private unnamed_addr constant [15 x i8] c"hello, worldB\0A\00", align 1
+
+define i32 @main() {
+entry:
+  %retval = alloca i32, align 4                   ; [#uses=1 type=i32*]
+  store i32 0, i32* %retval
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0), i32 1)
+  %bad = call zeroext i1 null()
+  br i1 %bad, label %pre, label %finish
+
+pre:
+  %call0 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str1, i32 0, i32 0), i32 0)
+  ret i32 0
+
+finish:
+  %call1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str2, i32 0, i32 0), i32 1)
+  ret i32 1
+}
+
+; [#uses=1]
+declare i32 @printf(i8*, ...)
diff --git a/tests/cases/usenullcall.txt b/tests/cases/usenullcall.txt
new file mode 100644
index 00000000..270c611e
--- /dev/null
+++ b/tests/cases/usenullcall.txt
@@ -0,0 +1 @@
+hello, world!