mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 22:29:56 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125711 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
856 B
LLVM
44 lines
856 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define i64 @test1(i64 %A, i32 %B) {
|
|
%tmp12 = zext i32 %B to i64
|
|
%tmp3 = shl i64 %tmp12, 32
|
|
%tmp5 = add i64 %tmp3, %A
|
|
%tmp6 = and i64 %tmp5, 123
|
|
ret i64 %tmp6
|
|
; CHECK: @test1
|
|
; CHECK-NEXT: and i64 %A, 123
|
|
; CHECK-NEXT: ret i64
|
|
}
|
|
|
|
define i32 @test2(i32 %A) {
|
|
%B = and i32 %A, 7
|
|
%C = and i32 %A, 32
|
|
%F = add i32 %B, %C
|
|
ret i32 %F
|
|
; CHECK: @test2
|
|
; CHECK-NEXT: and i32 %A, 39
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i32 @test3(i32 %A) {
|
|
%B = and i32 %A, 128
|
|
%C = lshr i32 %A, 30
|
|
%F = add i32 %B, %C
|
|
ret i32 %F
|
|
; CHECK: @test3
|
|
; CHECK-NEXT: and
|
|
; CHECK-NEXT: lshr
|
|
; CHECK-NEXT: or i32 %B, %C
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i32 @test4(i32 %A) {
|
|
%B = add nuw i32 %A, %A
|
|
ret i32 %B
|
|
; CHECK: @test4
|
|
; CHECK-NEXT: %B = shl nuw i32 %A, 1
|
|
; CHECK-NEXT: ret i32 %B
|
|
}
|
|
|