llvm-project/llvm/test/Transforms/ConstProp/logicaltest.ll

36 lines
787 B
LLVM

; Ensure constant propagation of logical instructions is working correctly.
; RUN: opt < %s -constprop -die -S | FileCheck %s
; CHECK-NOT: {{and|or|xor}}
define i32 @test1() {
%R = and i32 4, 1234 ; <i32> [#uses=1]
ret i32 %R
}
define i1 @test1.upgrd.1() {
%R = and i1 true, false ; <i1> [#uses=1]
ret i1 %R
}
define i32 @test2() {
%R = or i32 4, 1234 ; <i32> [#uses=1]
ret i32 %R
}
define i1 @test2.upgrd.2() {
%R = or i1 true, false ; <i1> [#uses=1]
ret i1 %R
}
define i32 @test3() {
%R = xor i32 4, 1234 ; <i32> [#uses=1]
ret i32 %R
}
define i1 @test3.upgrd.3() {
%R = xor i1 true, false ; <i1> [#uses=1]
ret i1 %R
}