From 4189a538e4ae10e6ed359b07cdcc96fd0822c811 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Mon, 28 Jan 2008 03:48:02 +0000 Subject: Handle some more combinations of extend and icmp. Fixes PR1940. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46431 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/2008-01-21-MismatchedCastAndCompare.ll | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 test/Transforms/InstCombine/2008-01-21-MismatchedCastAndCompare.ll (limited to 'test/Transforms') diff --git a/test/Transforms/InstCombine/2008-01-21-MismatchedCastAndCompare.ll b/test/Transforms/InstCombine/2008-01-21-MismatchedCastAndCompare.ll new file mode 100644 index 0000000..12bfb80 --- /dev/null +++ b/test/Transforms/InstCombine/2008-01-21-MismatchedCastAndCompare.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -instcombine | notcast +; RUN: llvm-as < %s | opt -instcombine | not grep {icmp s} +; PR1940 + +define i1 @test1(i8 %A, i8 %B) { + %a = zext i8 %A to i32 + %b = zext i8 %B to i32 + %c = icmp sgt i32 %a, %b + ret i1 %c +} + +define i1 @test2(i8 %A, i8 %B) { + %a = sext i8 %A to i32 + %b = sext i8 %B to i32 + %c = icmp ugt i32 %a, %b + ret i1 %c +} -- cgit v1.1