llvm-6502/test/CodeGen/PowerPC/bswap-load-store.ll
2009-09-09 00:09:15 +00:00

46 lines
1.9 KiB
LLVM

; RUN: llc < %s -march=ppc32 | \
; RUN: grep {stwbrx\\|lwbrx\\|sthbrx\\|lhbrx} | count 4
; RUN: llc < %s -march=ppc32 | not grep rlwinm
; RUN: llc < %s -march=ppc32 | not grep rlwimi
; RUN: llc < %s -march=ppc64 | \
; RUN: grep {stwbrx\\|lwbrx\\|sthbrx\\|lhbrx} | count 4
; RUN: llc < %s -march=ppc64 | not grep rlwinm
; RUN: llc < %s -march=ppc64 | not grep rlwimi
define void @STWBRX(i32 %i, i8* %ptr, i32 %off) {
%tmp1 = getelementptr i8* %ptr, i32 %off ; <i8*> [#uses=1]
%tmp1.upgrd.1 = bitcast i8* %tmp1 to i32* ; <i32*> [#uses=1]
%tmp13 = tail call i32 @llvm.bswap.i32( i32 %i ) ; <i32> [#uses=1]
store i32 %tmp13, i32* %tmp1.upgrd.1
ret void
}
define i32 @LWBRX(i8* %ptr, i32 %off) {
%tmp1 = getelementptr i8* %ptr, i32 %off ; <i8*> [#uses=1]
%tmp1.upgrd.2 = bitcast i8* %tmp1 to i32* ; <i32*> [#uses=1]
%tmp = load i32* %tmp1.upgrd.2 ; <i32> [#uses=1]
%tmp14 = tail call i32 @llvm.bswap.i32( i32 %tmp ) ; <i32> [#uses=1]
ret i32 %tmp14
}
define void @STHBRX(i16 %s, i8* %ptr, i32 %off) {
%tmp1 = getelementptr i8* %ptr, i32 %off ; <i8*> [#uses=1]
%tmp1.upgrd.3 = bitcast i8* %tmp1 to i16* ; <i16*> [#uses=1]
%tmp5 = call i16 @llvm.bswap.i16( i16 %s ) ; <i16> [#uses=1]
store i16 %tmp5, i16* %tmp1.upgrd.3
ret void
}
define i16 @LHBRX(i8* %ptr, i32 %off) {
%tmp1 = getelementptr i8* %ptr, i32 %off ; <i8*> [#uses=1]
%tmp1.upgrd.4 = bitcast i8* %tmp1 to i16* ; <i16*> [#uses=1]
%tmp = load i16* %tmp1.upgrd.4 ; <i16> [#uses=1]
%tmp6 = call i16 @llvm.bswap.i16( i16 %tmp ) ; <i16> [#uses=1]
ret i16 %tmp6
}
declare i32 @llvm.bswap.i32(i32)
declare i16 @llvm.bswap.i16(i16)