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llvm-mirror/test/Transforms/InstCombine/bswap-fold.ll
Tanya Lattner 9aa573954c Remove llvm-upgrade and update tests.
llvm-svn: 48103
2008-03-09 08:16:40 +00:00

30 lines
915 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: grep ret | count 3
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
; RUN: not grep call.*bswap
define i1 @test1(i16 %tmp2) {
%tmp10 = call i16 @llvm.bswap.i16( i16 %tmp2 ) ; <i16> [#uses=1]
%tmp = icmp eq i16 %tmp10, 1 ; <i1> [#uses=1]
ret i1 %tmp
}
define i1 @test2(i32 %tmp) {
%tmp34 = tail call i32 @llvm.bswap.i32( i32 %tmp ) ; <i32> [#uses=1]
%tmp.upgrd.1 = icmp eq i32 %tmp34, 1 ; <i1> [#uses=1]
ret i1 %tmp.upgrd.1
}
declare i32 @llvm.bswap.i32(i32)
define i1 @test3(i64 %tmp) {
%tmp34 = tail call i64 @llvm.bswap.i64( i64 %tmp ) ; <i64> [#uses=1]
%tmp.upgrd.2 = icmp eq i64 %tmp34, 1 ; <i1> [#uses=1]
ret i1 %tmp.upgrd.2
}
declare i64 @llvm.bswap.i64(i64)
declare i16 @llvm.bswap.i16(i16)