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[X86][SSE4A] Added shuffle decode tests for 'special case' SSE4A EXTRQI/INSERTQI ops. 

llvm-svn: 249263
This commit is contained in:
Simon Pilgrim 2015-10-04 10:12:53 +00:00
parent 726e624c0c
commit bb01c6fda2
1 changed files with 61 additions and 0 deletions
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61
llvm/test/CodeGen/X86/vector-shuffle-sse4a.ll
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@ -5,6 +5,35 @@
; EXTRQI
;
; A length of zero is equivalent to a bit length of 64.
define <2 x i64> @extrqi_len0_idx0(<2 x i64> %a) {
; ALL-LABEL: extrqi_len0_idx0:
; ALL: # BB#0:
; ALL-NEXT: extrq {{.*#+}} xmm0 = xmm0[0,1,2,3,4,5,6,7,u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.extrqi(<2 x i64> %a, i8 0, i8 0)
ret <2 x i64> %1
}
define <2 x i64> @extrqi_len8_idx16(<2 x i64> %a) {
; ALL-LABEL: extrqi_len8_idx16:
; ALL: # BB#0:
; ALL-NEXT: extrq {{.*#+}} xmm0 = xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.extrqi(<2 x i64> %a, i8 8, i8 16)
ret <2 x i64> %1
}
; If the length + index exceeds the bottom 64 bits the result is undefined.
define <2 x i64> @extrqi_len32_idx48(<2 x i64> %a) {
; ALL-LABEL: extrqi_len32_idx48:
; ALL: # BB#0:
; ALL-NEXT: extrq {{.*#+}} xmm0 = xmm0[u,u,u,u,u,u,u,u,u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.extrqi(<2 x i64> %a, i8 32, i8 48)
ret <2 x i64> %1
}
define <16 x i8> @shuf_0zzzuuuuuuuuuuuu(<16 x i8> %a0) {
; BTVER1-LABEL: shuf_0zzzuuuuuuuuuuuu:
; BTVER1: # BB#0:
@ -157,6 +186,35 @@ define <4 x i32> @shuf_0z1z(<4 x i32> %a0) {
; INSERTQI
;
; A length of zero is equivalent to a bit length of 64.
define <2 x i64> @insertqi_len0_idx0(<2 x i64> %a, <2 x i64> %b) {
; ALL-LABEL: insertqi_len0_idx0:
; ALL: # BB#0:
; ALL-NEXT: insertq {{.*#+}} xmm0 = xmm1[0,1,2,3,4,5,6,7],xmm0[u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %a, <2 x i64> %b, i8 0, i8 0)
ret <2 x i64> %1
}
define <2 x i64> @insertqi_len8_idx16(<2 x i64> %a, <2 x i64> %b) {
; ALL-LABEL: insertqi_len8_idx16:
; ALL: # BB#0:
; ALL-NEXT: insertq {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3,4,5,6,7,u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %a, <2 x i64> %b, i8 8, i8 16)
ret <2 x i64> %1
}
; If the length + index exceeds the bottom 64 bits the result is undefined
define <2 x i64> @insertqi_len32_idx48(<2 x i64> %a, <2 x i64> %b) {
; ALL-LABEL: insertqi_len32_idx48:
; ALL: # BB#0:
; ALL-NEXT: insertq {{.*#+}} xmm0 = xmm0[u,u,u,u,u,u,u,u,u,u,u,u,u,u,u,u]
; ALL-NEXT: retq
%1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %a, <2 x i64> %b, i8 32, i8 48)
ret <2 x i64> %1
}
define <16 x i8> @shuf_0_0_2_3_uuuu_uuuu_uuuu(<16 x i8> %a0, <16 x i8> %a1) {
; ALL-LABEL: shuf_0_0_2_3_uuuu_uuuu_uuuu:
; ALL: # BB#0:
@ -237,3 +295,6 @@ define <8 x i16> @shuf_089uuuuu(<8 x i16> %a0, <8 x i16> %a1) {
%s = shufflevector <8 x i16> %a0, <8 x i16> %a1, <8 x i32> <i32 0, i32 8, i32 9, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
ret <8 x i16> %s
}
declare <2 x i64> @llvm.x86.sse4a.extrqi(<2 x i64>, i8, i8) nounwind
declare <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64>, <2 x i64>, i8, i8) nounwind