diff options
Diffstat (limited to 'llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll')
-rw-r--r-- | llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll b/llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll index 1249c14eb9c..f6e4bdf7345 100644 --- a/llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll +++ b/llvm/test/CodeGen/AArch64/fp16-v4-instructions.ll @@ -130,7 +130,6 @@ define <4 x i16> @bitcast_h_to_i(float, <4 x half> %a) { ret <4 x i16> %2 } - define <4 x half> @sitofp_i8(<4 x i8> %a) #0 { ; CHECK-LABEL: sitofp_i8: ; CHECK-NEXT: shl [[OP1:v[0-9]+\.4h]], v0.4h, #8 @@ -227,4 +226,45 @@ define void @test_insert_at_zero(half %a, <4 x half>* %b) #0 { ret void } +define <4 x i8> @fptosi_i8(<4 x half> %a) #0 { +; CHECK-LABEL: fptosi_i8: +; CHECK-NEXT: fcvtl [[REG1:v[0-9]+\.4s]], v0.4h +; CHECK-NEXT: fcvtzs [[REG2:v[0-9]+\.4s]], [[REG1]] +; CHECK-NEXT: xtn v0.4h, [[REG2]] +; CHECK-NEXT: ret + %1 = fptosi<4 x half> %a to <4 x i8> + ret <4 x i8> %1 +} + +define <4 x i16> @fptosi_i16(<4 x half> %a) #0 { +; CHECK-LABEL: fptosi_i16: +; CHECK-NEXT: fcvtl [[REG1:v[0-9]+\.4s]], v0.4h +; CHECK-NEXT: fcvtzs [[REG2:v[0-9]+\.4s]], [[REG1]] +; CHECK-NEXT: xtn v0.4h, [[REG2]] +; CHECK-NEXT: ret + %1 = fptosi<4 x half> %a to <4 x i16> + ret <4 x i16> %1 +} + +define <4 x i8> @fptoui_i8(<4 x half> %a) #0 { +; CHECK-LABEL: fptoui_i8: +; CHECK-NEXT: fcvtl [[REG1:v[0-9]+\.4s]], v0.4h +; NOTE: fcvtzs selected here because the xtn shaves the sign bit +; CHECK-NEXT: fcvtzs [[REG2:v[0-9]+\.4s]], [[REG1]] +; CHECK-NEXT: xtn v0.4h, [[REG2]] +; CHECK-NEXT: ret + %1 = fptoui<4 x half> %a to <4 x i8> + ret <4 x i8> %1 +} + +define <4 x i16> @fptoui_i16(<4 x half> %a) #0 { +; CHECK-LABEL: fptoui_i16: +; CHECK-NEXT: fcvtl [[REG1:v[0-9]+\.4s]], v0.4h +; CHECK-NEXT: fcvtzu [[REG2:v[0-9]+\.4s]], [[REG1]] +; CHECK-NEXT: xtn v0.4h, [[REG2]] +; CHECK-NEXT: ret + %1 = fptoui<4 x half> %a to <4 x i16> + ret <4 x i16> %1 +} + attributes #0 = { nounwind } |