From 0c7099771f5a86c041d3ce01699697fda88230c4 Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Sat, 14 Jan 2017 02:52:52 -0800
Subject: [PATCH] Comparison operator working

---
 compile.schala     |  8 +-------
 src/compilation.rs |  7 +++++--
 src/llvm_wrap.rs   | 12 +++++++++---
 3 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/compile.schala b/compile.schala
index 183d747..89c351d 100644
--- a/compile.schala
+++ b/compile.schala
@@ -1,8 +1,2 @@
-a = 1
-if a {
- a = 42
-} else {
- a = 23
-}
 
-a
+8 < 2
diff --git a/src/compilation.rs b/src/compilation.rs
index 22ef6c1..e32f1c5 100644
--- a/src/compilation.rs
+++ b/src/compilation.rs
@@ -162,12 +162,15 @@ impl CodeGen for Expression {
                     Div => simple_binop!(LLVMWrap::BuildUDiv, "divtemp"),
                     Mod => simple_binop!(LLVMWrap::BuildSRem, "remtemp"),
                     Less => {
-                        let pred = LLVMWrap::BuildICmp(data.builder,
+                        let pred: LLVMValueRef = LLVMWrap::BuildICmp(data.builder,
                                                        LLVMIntPredicate::LLVMIntULT,
                                                        lhs,
                                                        rhs,
                                                        "tmp");
-                        LLVMWrap::BuildUIToFP(data.builder, pred, int_type, "temp")
+                        LLVMWrap::BuildZExt(data.builder, pred, int_type, "temp")
+                        // god damn it this was probably failing because of the int_type
+                        // this assumes everything is a FP
+                        //LLVMWrap::BuildUIToFP(data.builder, pred, int_type, "temp")
                     }
                     _ => panic!("Bad operator {:?}", op),
                 }
diff --git a/src/llvm_wrap.rs b/src/llvm_wrap.rs
index 5ecf1b0..1619381 100644
--- a/src/llvm_wrap.rs
+++ b/src/llvm_wrap.rs
@@ -171,15 +171,21 @@ pub fn BuildFCmp(builder: LLVMBuilderRef,
     unsafe { core::LLVMBuildFCmp(builder, op, lhs, rhs, name.as_ptr()) }
 }
 
+pub fn BuildZExt(builder: LLVMBuilderRef,
+                       val: LLVMValueRef,
+                       dest_type: LLVMTypeRef,
+                       name: &str) -> LLVMValueRef {
+    let name = CString::new(name).unwrap();
+    unsafe { core::LLVMBuildZExt(builder, val, dest_type, name.as_ptr()) }
+}
+
 pub fn BuildUIToFP(builder: LLVMBuilderRef,
                        val: LLVMValueRef,
                        dest_type: LLVMTypeRef,
                        name: &str) -> LLVMValueRef {
 
     let name = CString::new(name).unwrap();
-    unsafe { let p = name.as_ptr();
-        println!("Pointer {:?}", p);
-        core::LLVMBuildUIToFP(builder, val, dest_type, p) }
+    unsafe { core::LLVMBuildUIToFP(builder, val, dest_type, name.as_ptr()) }
 }
 
 pub fn BuildICmp(builder: LLVMBuilderRef,