mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2026-04-25 21:18:19 +00:00
Byebye llvm-upgrade!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48762 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
@@ -1,76 +1,81 @@
|
||||
; The %A getelementptr instruction should be eliminated here
|
||||
|
||||
; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
|
||||
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
|
||||
; RUN: grep -v %B | not grep getelementptr
|
||||
; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | grep foo1
|
||||
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep foo1
|
||||
; END.
|
||||
|
||||
%Global = constant [10 x sbyte] c"helloworld"
|
||||
@Global = constant [10 x i8] c"helloworld" ; <[10 x i8]*> [#uses=1]
|
||||
|
||||
implementation
|
||||
|
||||
int *%foo1(int* %I) { ; Test noop elimination
|
||||
%A = getelementptr int* %I, long 0
|
||||
ret int * %A
|
||||
; Test noop elimination
|
||||
define i32* @foo1(i32* %I) {
|
||||
%A = getelementptr i32* %I, i64 0 ; <i32*> [#uses=1]
|
||||
ret i32* %A
|
||||
}
|
||||
|
||||
int* %foo2(int* %I) { ; Test noop elimination
|
||||
%A = getelementptr int* %I
|
||||
ret int* %A
|
||||
}
|
||||
int* %foo3(int * %I) { ; Test that two array indexing geps fold
|
||||
%A = getelementptr int* %I, long 17
|
||||
%B = getelementptr int* %A, long 4
|
||||
ret int* %B
|
||||
; Test noop elimination
|
||||
define i32* @foo2(i32* %I) {
|
||||
%A = getelementptr i32* %I ; <i32*> [#uses=1]
|
||||
ret i32* %A
|
||||
}
|
||||
|
||||
int* %foo4({int} *%I) { ; Test that two getelementptr insts fold
|
||||
%A = getelementptr {int}* %I, long 1
|
||||
%B = getelementptr {int}* %A, long 0, uint 0
|
||||
ret int* %B
|
||||
; Test that two array indexing geps fold
|
||||
define i32* @foo3(i32* %I) {
|
||||
%A = getelementptr i32* %I, i64 17 ; <i32*> [#uses=1]
|
||||
%B = getelementptr i32* %A, i64 4 ; <i32*> [#uses=1]
|
||||
ret i32* %B
|
||||
}
|
||||
|
||||
void %foo5(sbyte %B) {
|
||||
; This should be turned into a constexpr instead of being an instruction
|
||||
%A = getelementptr [10 x sbyte]* %Global, long 0, long 4
|
||||
store sbyte %B, sbyte* %A
|
||||
ret void
|
||||
; Test that two getelementptr insts fold
|
||||
define i32* @foo4({ i32 }* %I) {
|
||||
%A = getelementptr { i32 }* %I, i64 1 ; <{ i32 }*> [#uses=1]
|
||||
%B = getelementptr { i32 }* %A, i64 0, i32 0 ; <i32*> [#uses=1]
|
||||
ret i32* %B
|
||||
}
|
||||
|
||||
int* %foo6() {
|
||||
%M = malloc [4 x int]
|
||||
%A = getelementptr [4 x int]* %M, long 0, long 0
|
||||
%B = getelementptr int* %A, long 2
|
||||
ret int* %B
|
||||
define void @foo5(i8 %B) {
|
||||
; This should be turned into a constexpr instead of being an instruction
|
||||
%A = getelementptr [10 x i8]* @Global, i64 0, i64 4 ; <i8*> [#uses=1]
|
||||
store i8 %B, i8* %A
|
||||
ret void
|
||||
}
|
||||
|
||||
int* %foo7(int* %I, long %C, long %D) {
|
||||
%A = getelementptr int* %I, long %C
|
||||
%B = getelementptr int* %A, long %D
|
||||
ret int* %B
|
||||
define i32* @foo6() {
|
||||
%M = malloc [4 x i32] ; <[4 x i32]*> [#uses=1]
|
||||
%A = getelementptr [4 x i32]* %M, i64 0, i64 0 ; <i32*> [#uses=1]
|
||||
%B = getelementptr i32* %A, i64 2 ; <i32*> [#uses=1]
|
||||
ret i32* %B
|
||||
}
|
||||
|
||||
sbyte* %foo8([10 x int]* %X) {
|
||||
%A = getelementptr [10 x int]* %X, long 0, long 0 ;; Fold into the cast.
|
||||
%B = cast int* %A to sbyte*
|
||||
ret sbyte * %B
|
||||
define i32* @foo7(i32* %I, i64 %C, i64 %D) {
|
||||
%A = getelementptr i32* %I, i64 %C ; <i32*> [#uses=1]
|
||||
%B = getelementptr i32* %A, i64 %D ; <i32*> [#uses=1]
|
||||
ret i32* %B
|
||||
}
|
||||
|
||||
int %test9() {
|
||||
%A = getelementptr {int, double}* null, int 0, uint 1
|
||||
%B = cast double* %A to int
|
||||
ret int %B
|
||||
define i8* @foo8([10 x i32]* %X) {
|
||||
;; Fold into the cast.
|
||||
%A = getelementptr [10 x i32]* %X, i64 0, i64 0 ; <i32*> [#uses=1]
|
||||
%B = bitcast i32* %A to i8* ; <i8*> [#uses=1]
|
||||
ret i8* %B
|
||||
}
|
||||
|
||||
bool %test10({int, int} * %x, {int, int} * %y) {
|
||||
%tmp.1 = getelementptr {int,int}* %x, int 0, uint 1
|
||||
%tmp.3 = getelementptr {int,int}* %y, int 0, uint 1
|
||||
%tmp.4 = seteq int* %tmp.1, %tmp.3 ;; seteq x, y
|
||||
ret bool %tmp.4
|
||||
define i32 @test9() {
|
||||
%A = getelementptr { i32, double }* null, i32 0, i32 1 ; <double*> [#uses=1]
|
||||
%B = ptrtoint double* %A to i32 ; <i32> [#uses=1]
|
||||
ret i32 %B
|
||||
}
|
||||
|
||||
bool %test11({int,int} *%X) {
|
||||
%P = getelementptr {int,int}* %X, int 0, uint 0
|
||||
%Q = seteq int* %P, null
|
||||
ret bool %Q
|
||||
define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
|
||||
%tmp.1 = getelementptr { i32, i32 }* %x, i32 0, i32 1 ; <i32*> [#uses=1]
|
||||
%tmp.3 = getelementptr { i32, i32 }* %y, i32 0, i32 1 ; <i32*> [#uses=1]
|
||||
;; seteq x, y
|
||||
%tmp.4 = icmp eq i32* %tmp.1, %tmp.3 ; <i1> [#uses=1]
|
||||
ret i1 %tmp.4
|
||||
}
|
||||
|
||||
define i1 @test11({ i32, i32 }* %X) {
|
||||
%P = getelementptr { i32, i32 }* %X, i32 0, i32 0 ; <i32*> [#uses=1]
|
||||
%Q = icmp eq i32* %P, null ; <i1> [#uses=1]
|
||||
ret i1 %Q
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user