correctly detect type of outputs of call to function pointers

2 files changed, 21 insertions, 0 deletions

diff --git a/src/analyzer.js b/src/analyzer.js
index 92b7d8cf..b1991c3f 100644
--- a/src/analyzer.js
+++ b/src/analyzer.js
@@ -979,6 +979,9 @@ function analyzer(data, sidePass) {
             if (variable.origin === 'alloca') {
               variable.allocatedNum = item.allocatedNum;
             }
+            if (variable.origin === 'call') {
+              variable.type = getReturnType(variable.type);
+            }
           }
         });
 
diff --git a/tests/cases/floatreturningfuncptr.ll b/tests/cases/floatreturningfuncptr.ll
new file mode 100644
index 00000000..e07e97b3
--- /dev/null
+++ b/tests/cases/floatreturningfuncptr.ll
@@ -0,0 +1,18 @@
+; ModuleID = 'tests/hello_world.bc'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
+target triple = "i386-pc-linux-gnu"
+
+@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00", align 1 ; [#uses=1 type=[15 x i8]*]
+
+; [#uses=0]
+define i32 @main() {
+entry:
+  %retval = alloca i32, align 4                   ; [#uses=1 type=i32*]
+  store i32 0, i32* %retval
+  %call = call float (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) ; [#uses=0 type=i32]
+  %call2 = call float (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0), float %call) ; [#uses=0 type=i32]
+  ret i32 1
+}
+
+; [#uses=1]
+declare float @printf(i8*, ...)