62d6beba97
Add lowering of `llvm.bitreverse` and `llvm.trunc` intrinsics to DXIL ops. Fixes #86582 Fixes #86581
32 lines
965 B
LLVM
32 lines
965 B
LLVM
; RUN: opt -S -dxil-op-lower < %s | FileCheck %s
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; Make sure dxil operation function calls for reversebits are generated for all integer types.
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; Function Attrs: nounwind
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define noundef i16 @test_bitreverse_short(i16 noundef %a) {
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entry:
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; CHECK:call i16 @dx.op.unary.i16(i32 30, i16 %{{.*}})
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%elt.bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
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ret i16 %elt.bitreverse
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}
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; Function Attrs: nounwind
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define noundef i32 @test_bitreverse_int(i32 noundef %a) {
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entry:
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; CHECK:call i32 @dx.op.unary.i32(i32 30, i32 %{{.*}})
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%elt.bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
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ret i32 %elt.bitreverse
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}
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; Function Attrs: nounwind
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define noundef i64 @test_bitreverse_long(i64 noundef %a) {
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entry:
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; CHECK:call i64 @dx.op.unary.i64(i32 30, i64 %{{.*}})
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%elt.bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
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ret i64 %elt.bitreverse
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}
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declare i16 @llvm.bitreverse.i16(i16)
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declare i32 @llvm.bitreverse.i32(i32)
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declare i64 @llvm.bitreverse.i64(i64)
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