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[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.

llvm-svn: 370566
This commit is contained in:
Bjorn Pettersson 2019-08-31 09:01:16 +00:00
parent 198009ae8d
commit e1ac21c4a2
1 changed files with 3 additions and 3 deletions
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6
llvm/docs/LangRef.rst
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@ -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)