30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; RUN: llc -aarch64-sve-vector-bits-min=256 < %s | FileCheck %s
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target triple = "aarch64"
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;
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; NOTE: SVE lowering for the BSP pseudoinst is not currently implemented, so we
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; don't currently expect the code below to lower to BSL/BIT/BIF. Once
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; this is implemented, this test will be fleshed out.
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;
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define <8 x i32> @fixed_bitselect_v8i32(<8 x i32>* %pre_cond_ptr, <8 x i32>* %left_ptr, <8 x i32>* %right_ptr) #0 {
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; CHECK-LABEL: fixed_bitselect_v8i32:
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; CHECK-NOT: bsl {{.*}}, {{.*}}, {{.*}}
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; CHECK-NOT: bit {{.*}}, {{.*}}, {{.*}}
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; CHECK-NOT: bif {{.*}}, {{.*}}, {{.*}}
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; CHECK: ret
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%pre_cond = load <8 x i32>, <8 x i32>* %pre_cond_ptr
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%left = load <8 x i32>, <8 x i32>* %left_ptr
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%right = load <8 x i32>, <8 x i32>* %right_ptr
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%neg_cond = sub <8 x i32> zeroinitializer, %pre_cond
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%min_cond = add <8 x i32> %pre_cond, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
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%left_bits_0 = and <8 x i32> %neg_cond, %left
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%right_bits_0 = and <8 x i32> %min_cond, %right
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%bsl0000 = or <8 x i32> %right_bits_0, %left_bits_0
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ret <8 x i32> %bsl0000
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}
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attributes #0 = { "target-features"="+sve" }
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