llvm-6502/test/CodeGen/Thumb2/thumb2-ldr_pre.ll
2009-09-09 00:09:15 +00:00

29 lines
996 B
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2 | \
; RUN: grep {ldr.*\\!} | count 3
; RUN: llc < %s -march=thumb -mattr=+thumb2 | \
; RUN: grep {ldrsb.*\\!} | count 1
define i32* @test1(i32* %X, i32* %dest) {
%Y = getelementptr i32* %X, i32 4 ; <i32*> [#uses=2]
%A = load i32* %Y ; <i32> [#uses=1]
store i32 %A, i32* %dest
ret i32* %Y
}
define i32 @test2(i32 %a, i32 %b) {
%tmp1 = sub i32 %a, 64 ; <i32> [#uses=2]
%tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1]
%tmp3 = load i32* %tmp2 ; <i32> [#uses=1]
%tmp4 = sub i32 %tmp1, %b ; <i32> [#uses=1]
%tmp5 = add i32 %tmp4, %tmp3 ; <i32> [#uses=1]
ret i32 %tmp5
}
define i8* @test3(i8* %X, i32* %dest) {
%tmp1 = getelementptr i8* %X, i32 4
%tmp2 = load i8* %tmp1
%tmp3 = sext i8 %tmp2 to i32
store i32 %tmp3, i32* %dest
ret i8* %tmp1
}