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

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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 f59cc38992
commit 99b90b9e5c
1 changed files with 3 additions and 3 deletions
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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)