1 files changed, 43 insertions, 2 deletions
diff --git a/test/Transforms/InstCombine/udivrem-change-width.ll b/test/Transforms/InstCombine/udivrem-change-width.ll
index 9983944..b388a3b 100644
--- a/test/Transforms/InstCombine/udivrem-change-width.ll
+++ b/test/Transforms/InstCombine/udivrem-change-width.ll
@@ -1,14 +1,16 @@
-; RUN: opt < %s -instcombine -S | not grep zext
-; PR4548
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 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-s0:64:64-f80:128:128"
 
+; PR4548
 define i8 @udiv_i8(i8 %a, i8 %b) nounwind {
   %conv = zext i8 %a to i32       
   %conv2 = zext i8 %b to i32      
   %div = udiv i32 %conv, %conv2   
   %conv3 = trunc i32 %div to i8   
   ret i8 %conv3
+; CHECK: @udiv_i8
+; CHECK: udiv i8 %a, %b
 }
 
 define i8 @urem_i8(i8 %a, i8 %b) nounwind {
@@ -17,5 +19,44 @@ define i8 @urem_i8(i8 %a, i8 %b) nounwind {
   %div = urem i32 %conv, %conv2   
   %conv3 = trunc i32 %div to i8   
   ret i8 %conv3
+; CHECK: @urem_i8
+; CHECK: urem i8 %a, %b
 }
 
+define i32 @udiv_i32(i8 %a, i8 %b) nounwind {
+  %conv = zext i8 %a to i32
+  %conv2 = zext i8 %b to i32
+  %div = udiv i32 %conv, %conv2
+  ret i32 %div
+; CHECK: @udiv_i32
+; CHECK: udiv i8 %a, %b
+; CHECK: zext
+}
+
+define i32 @urem_i32(i8 %a, i8 %b) nounwind {
+  %conv = zext i8 %a to i32
+  %conv2 = zext i8 %b to i32
+  %div = urem i32 %conv, %conv2
+  ret i32 %div
+; CHECK: @urem_i32
+; CHECK: urem i8 %a, %b
+; CHECK: zext
+}
+
+define i32 @udiv_i32_c(i8 %a) nounwind {
+  %conv = zext i8 %a to i32
+  %div = udiv i32 %conv, 10
+  ret i32 %div
+; CHECK: @udiv_i32_c
+; CHECK: udiv i8 %a, 10
+; CHECK: zext
+}
+
+define i32 @urem_i32_c(i8 %a) nounwind {
+  %conv = zext i8 %a to i32
+  %div = urem i32 %conv, 10
+  ret i32 %div
+; CHECK: @urem_i32_c
+; CHECK: urem i8 %a, 10
+; CHECK: zext
+}