mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
If instcombine is making dead instructions, ALL that should be used is -die git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3221 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
706 B
LLVM
44 lines
706 B
LLVM
; This test makes sure that these instructions are properly eliminated.
|
|
;
|
|
|
|
; RUN: if as < %s | opt -instcombine | dis | grep set
|
|
; RUN: then exit 1
|
|
; RUN: else exit 0
|
|
; RUN: fi
|
|
|
|
%X = uninitialized global int
|
|
|
|
bool "test1"(int %A) {
|
|
%B = seteq int %A, %A
|
|
%C = seteq int* %X, null ; Never true
|
|
%D = and bool %B, %C
|
|
ret bool %D
|
|
}
|
|
|
|
bool "test2"(int %A) {
|
|
%B = setne int %A, %A
|
|
%C = setne int* %X, null ; Never false
|
|
%D = or bool %B, %C
|
|
ret bool %D
|
|
}
|
|
|
|
bool "test3"(int %A) {
|
|
%B = setlt int %A, %A
|
|
ret bool %B
|
|
}
|
|
|
|
bool "test4"(int %A) {
|
|
%B = setgt int %A, %A
|
|
ret bool %B
|
|
}
|
|
|
|
bool "test5"(int %A) {
|
|
%B = setle int %A, %A
|
|
ret bool %B
|
|
}
|
|
|
|
bool "test6"(int %A) {
|
|
%B = setge int %A, %A
|
|
ret bool %B
|
|
}
|