[LangRef] Update saturating examples for llvm.smul.fix.sat. NFC

Some saturation examples for llvm.smul.fix.sat were not showing
the correct result. I've adjusted the operands to make sure that
we actually trigger overflow in those examples.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@370566 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index 39095303361231a87b9550c3be337533de800ea4..f35ceb8518f8f3998052497354512e2e7ebfdef6 100644 (file)
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -13754,9 +13754,9 @@ Examples
 
       ; Saturation
       %res = call i4 @llvm.smul.fix.sat.i4(i4 7, i4 2, i32 0)  ; %res = 7
-      %res = call i4 @llvm.smul.fix.sat.i4(i4 7, i4 2, i32 2)  ; %res = 7
-      %res = call i4 @llvm.smul.fix.sat.i4(i4 -8, i4 2, i32 2)  ; %res = -8
-      %res = call i4 @llvm.smul.fix.sat.i4(i4 -8, i4 -2, i32 2)  ; %res = 7
+      %res = call i4 @llvm.smul.fix.sat.i4(i4 7, i4 4, i32 2)  ; %res = 7
+      %res = call i4 @llvm.smul.fix.sat.i4(i4 -8, i4 5, i32 2)  ; %res = -8
+      %res = call i4 @llvm.smul.fix.sat.i4(i4 -8, i4 -2, i32 1)  ; %res = 7
 
       ; Scale can affect the saturation result
       %res = call i4 @llvm.smul.fix.sat.i4(i4 2, i4 4, i32 0)  ; %res = 7 (2 x 4 -> clamped to 7)