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llvm-mirror/test/CodeGen/Thumb2/thumb2-ldrh.ll
2009-07-27 16:31:55 +00:00

61 lines
1.6 KiB
LLVM

; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrh\\.w r0} | count 6
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrh r0} | count 1
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov\\.w | grep 1
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn\\.w
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrh\\.w | grep lsl
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr\\.w | not grep ldrh
define i16 @f1(i16* %v) {
entry:
%tmp = load i16* %v
ret i16 %tmp
}
define i16 @f2(i16* %v) {
entry:
%tmp2 = getelementptr i16* %v, i16 1023
%tmp = load i16* %tmp2
ret i16 %tmp
}
define i16 @f3(i16* %v) {
entry:
%tmp2 = getelementptr i16* %v, i16 2048
%tmp = load i16* %tmp2
ret i16 %tmp
}
define i16 @f4(i32 %base) {
entry:
%tmp1 = sub i32 %base, 128
%tmp2 = inttoptr i32 %tmp1 to i16*
%tmp3 = load i16* %tmp2
ret i16 %tmp3
}
define i16 @f5(i32 %base, i32 %offset) {
entry:
%tmp1 = add i32 %base, %offset
%tmp2 = inttoptr i32 %tmp1 to i16*
%tmp3 = load i16* %tmp2
ret i16 %tmp3
}
define i16 @f6(i32 %base, i32 %offset) {
entry:
%tmp1 = shl i32 %offset, 2
%tmp2 = add i32 %base, %tmp1
%tmp3 = inttoptr i32 %tmp2 to i16*
%tmp4 = load i16* %tmp3
ret i16 %tmp4
}
define i16 @f7(i32 %base, i32 %offset) {
entry:
%tmp1 = lshr i32 %offset, 2
%tmp2 = add i32 %base, %tmp1
%tmp3 = inttoptr i32 %tmp2 to i16*
%tmp4 = load i16* %tmp3
ret i16 %tmp4
}