mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-27 15:29:51 +00:00
bitcast of constants in fast isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55325 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
844 B
LLVM
49 lines
844 B
LLVM
; RUN: llvm-as < %s | llc -fast-isel -march=x86
|
|
|
|
; This tests very minimal fast-isel functionality.
|
|
|
|
define i32* @foo(i32* %p, i32* %q, i32** %z) {
|
|
entry:
|
|
%r = load i32* %p
|
|
%s = load i32* %q
|
|
%y = load i32** %z
|
|
br label %fast
|
|
|
|
fast:
|
|
%t0 = add i32 %r, %s
|
|
%t1 = mul i32 %t0, %s
|
|
%t2 = sub i32 %t1, %s
|
|
%t3 = and i32 %t2, %s
|
|
%t4 = or i32 %t3, %s
|
|
%t5 = xor i32 %t4, %s
|
|
%t6 = add i32 %t5, 2
|
|
%t7 = getelementptr i32* %y, i32 1
|
|
%t8 = getelementptr i32* %t7, i32 %t6
|
|
br label %exit
|
|
|
|
exit:
|
|
ret i32* %t8
|
|
}
|
|
|
|
define double @bar(double* %p, double* %q) {
|
|
entry:
|
|
%r = load double* %p
|
|
%s = load double* %q
|
|
br label %fast
|
|
|
|
fast:
|
|
%t0 = add double %r, %s
|
|
%t1 = mul double %t0, %s
|
|
%t2 = sub double %t1, %s
|
|
br label %exit
|
|
|
|
exit:
|
|
ret double %t2
|
|
}
|
|
|
|
define i32 @cast(){
|
|
entry:
|
|
%tmp2 = bitcast i32 0 to i32
|
|
ret i32 %tmp2
|
|
}
|