mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; Various test cases to ensure basic functionality is working for GCSE
|
|
|
|
; RUN: llvm-as < %s | opt -gcse
|
|
|
|
define void @testinsts(i32 %i, i32 %j, i32* %p) {
|
|
%A = bitcast i32 %i to i32 ; <i32> [#uses=0]
|
|
%B = bitcast i32 %i to i32 ; <i32> [#uses=0]
|
|
%C = shl i32 %i, 1 ; <i32> [#uses=0]
|
|
%D = shl i32 %i, 1 ; <i32> [#uses=0]
|
|
%E = getelementptr i32* %p, i64 12 ; <i32*> [#uses=0]
|
|
%F = getelementptr i32* %p, i64 12 ; <i32*> [#uses=0]
|
|
%G = getelementptr i32* %p, i64 13 ; <i32*> [#uses=0]
|
|
ret void
|
|
}
|
|
|
|
; Test different combinations of domination properties...
|
|
define void @sameBBtest(i32 %i, i32 %j) {
|
|
%A = add i32 %i, %j ; <i32> [#uses=1]
|
|
%B = add i32 %i, %j ; <i32> [#uses=1]
|
|
%C = xor i32 %A, -1 ; <i32> [#uses=0]
|
|
%D = xor i32 %B, -1 ; <i32> [#uses=0]
|
|
%E = xor i32 %j, -1 ; <i32> [#uses=0]
|
|
ret void
|
|
}
|
|
|
|
define i32 @dominates(i32 %i, i32 %j) {
|
|
%A = add i32 %i, %j ; <i32> [#uses=0]
|
|
br label %BB2
|
|
|
|
BB2: ; preds = %0
|
|
%B = add i32 %i, %j ; <i32> [#uses=1]
|
|
ret i32 %B
|
|
}
|
|
|
|
define i32 @hascommondominator(i32 %i, i32 %j) {
|
|
br i1 true, label %BB1, label %BB2
|
|
|
|
BB1: ; preds = %0
|
|
%A = add i32 %i, %j ; <i32> [#uses=1]
|
|
ret i32 %A
|
|
|
|
BB2: ; preds = %0
|
|
%B = add i32 %i, %j ; <i32> [#uses=1]
|
|
ret i32 %B
|
|
}
|
|
|