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-rw-r--r--test/CodeGen/AArch64/neon-bitcast.ll574
1 files changed, 574 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/neon-bitcast.ll b/test/CodeGen/AArch64/neon-bitcast.ll
new file mode 100644
index 0000000..f9ec704
--- /dev/null
+++ b/test/CodeGen/AArch64/neon-bitcast.ll
@@ -0,0 +1,574 @@
+; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon -verify-machineinstrs < %s | FileCheck %s
+
+; From <8 x i8>
+
+define <1 x i64> @test_v8i8_to_v1i64(<8 x i8> %in) nounwind {
+; CHECK: test_v8i8_to_v1i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i8> %in to <1 x i64>
+ ret <1 x i64> %val
+}
+
+define <2 x i32> @test_v8i8_to_v2i32(<8 x i8> %in) nounwind {
+; CHECK: test_v8i8_to_v2i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i8> %in to <2 x i32>
+ ret <2 x i32> %val
+}
+
+define <2 x float> @test_v8i8_to_v1f32(<8 x i8> %in) nounwind{
+; CHECK: test_v8i8_to_v1f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i8> %in to <2 x float>
+ ret <2 x float> %val
+}
+
+define <4 x i16> @test_v8i8_to_v4i16(<8 x i8> %in) nounwind{
+; CHECK: test_v8i8_to_v4i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i8> %in to <4 x i16>
+ ret <4 x i16> %val
+}
+
+define <8 x i8> @test_v8i8_to_v8i8(<8 x i8> %in) nounwind{
+; CHECK: test_v8i8_to_v8i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i8> %in to <8 x i8>
+ ret <8 x i8> %val
+}
+
+; From <4 x i16>
+
+define <1 x i64> @test_v4i16_to_v1i64(<4 x i16> %in) nounwind {
+; CHECK: test_v4i16_to_v1i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i16> %in to <1 x i64>
+ ret <1 x i64> %val
+}
+
+define <2 x i32> @test_v4i16_to_v2i32(<4 x i16> %in) nounwind {
+; CHECK: test_v4i16_to_v2i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i16> %in to <2 x i32>
+ ret <2 x i32> %val
+}
+
+define <2 x float> @test_v4i16_to_v1f32(<4 x i16> %in) nounwind{
+; CHECK: test_v4i16_to_v1f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i16> %in to <2 x float>
+ ret <2 x float> %val
+}
+
+define <4 x i16> @test_v4i16_to_v4i16(<4 x i16> %in) nounwind{
+; CHECK: test_v4i16_to_v4i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i16> %in to <4 x i16>
+ ret <4 x i16> %val
+}
+
+define <8 x i8> @test_v4i16_to_v8i8(<4 x i16> %in) nounwind{
+; CHECK: test_v4i16_to_v8i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i16> %in to <8 x i8>
+ ret <8 x i8> %val
+}
+
+; From <2 x i32>
+
+define <1 x i64> @test_v2i32_to_v1i64(<2 x i32> %in) nounwind {
+; CHECK: test_v2i32_to_v1i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i32> %in to <1 x i64>
+ ret <1 x i64> %val
+}
+
+define <2 x i32> @test_v2i32_to_v2i32(<2 x i32> %in) nounwind {
+; CHECK: test_v2i32_to_v2i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i32> %in to <2 x i32>
+ ret <2 x i32> %val
+}
+
+define <2 x float> @test_v2i32_to_v1f32(<2 x i32> %in) nounwind{
+; CHECK: test_v2i32_to_v1f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i32> %in to <2 x float>
+ ret <2 x float> %val
+}
+
+define <4 x i16> @test_v2i32_to_v4i16(<2 x i32> %in) nounwind{
+; CHECK: test_v2i32_to_v4i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i32> %in to <4 x i16>
+ ret <4 x i16> %val
+}
+
+define <8 x i8> @test_v2i32_to_v8i8(<2 x i32> %in) nounwind{
+; CHECK: test_v2i32_to_v8i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i32> %in to <8 x i8>
+ ret <8 x i8> %val
+}
+
+; From <2 x float>
+
+define <1 x i64> @test_v2f32_to_v1i64(<2 x float> %in) nounwind {
+; CHECK: test_v2f32_to_v1i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x float> %in to <1 x i64>
+ ret <1 x i64> %val
+}
+
+define <2 x i32> @test_v2f32_to_v2i32(<2 x float> %in) nounwind {
+; CHECK: test_v2f32_to_v2i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x float> %in to <2 x i32>
+ ret <2 x i32> %val
+}
+
+define <2 x float> @test_v2f32_to_v2f32(<2 x float> %in) nounwind{
+; CHECK: test_v2f32_to_v2f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x float> %in to <2 x float>
+ ret <2 x float> %val
+}
+
+define <4 x i16> @test_v2f32_to_v4i16(<2 x float> %in) nounwind{
+; CHECK: test_v2f32_to_v4i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x float> %in to <4 x i16>
+ ret <4 x i16> %val
+}
+
+define <8 x i8> @test_v2f32_to_v8i8(<2 x float> %in) nounwind{
+; CHECK: test_v2f32_to_v8i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x float> %in to <8 x i8>
+ ret <8 x i8> %val
+}
+
+; From <1 x i64>
+
+define <1 x i64> @test_v1i64_to_v1i64(<1 x i64> %in) nounwind {
+; CHECK: test_v1i64_to_v1i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <1 x i64> %in to <1 x i64>
+ ret <1 x i64> %val
+}
+
+define <2 x i32> @test_v1i64_to_v2i32(<1 x i64> %in) nounwind {
+; CHECK: test_v1i64_to_v2i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <1 x i64> %in to <2 x i32>
+ ret <2 x i32> %val
+}
+
+define <2 x float> @test_v1i64_to_v2f32(<1 x i64> %in) nounwind{
+; CHECK: test_v1i64_to_v2f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <1 x i64> %in to <2 x float>
+ ret <2 x float> %val
+}
+
+define <4 x i16> @test_v1i64_to_v4i16(<1 x i64> %in) nounwind{
+; CHECK: test_v1i64_to_v4i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <1 x i64> %in to <4 x i16>
+ ret <4 x i16> %val
+}
+
+define <8 x i8> @test_v1i64_to_v8i8(<1 x i64> %in) nounwind{
+; CHECK: test_v1i64_to_v8i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <1 x i64> %in to <8 x i8>
+ ret <8 x i8> %val
+}
+
+
+; From <16 x i8>
+
+define <2 x double> @test_v16i8_to_v2f64(<16 x i8> %in) nounwind {
+; CHECK: test_v16i8_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v16i8_to_v2i64(<16 x i8> %in) nounwind {
+; CHECK: test_v16i8_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v16i8_to_v4i32(<16 x i8> %in) nounwind {
+; CHECK: test_v16i8_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v16i8_to_v2f32(<16 x i8> %in) nounwind{
+; CHECK: test_v16i8_to_v2f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v16i8_to_v8i16(<16 x i8> %in) nounwind{
+; CHECK: test_v16i8_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v16i8_to_v16i8(<16 x i8> %in) nounwind{
+; CHECK: test_v16i8_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <16 x i8> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
+; From <8 x i16>
+
+define <2 x double> @test_v8i16_to_v2f64(<8 x i16> %in) nounwind {
+; CHECK: test_v8i16_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v8i16_to_v2i64(<8 x i16> %in) nounwind {
+; CHECK: test_v8i16_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v8i16_to_v4i32(<8 x i16> %in) nounwind {
+; CHECK: test_v8i16_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v8i16_to_v2f32(<8 x i16> %in) nounwind{
+; CHECK: test_v8i16_to_v2f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v8i16_to_v8i16(<8 x i16> %in) nounwind{
+; CHECK: test_v8i16_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v8i16_to_v16i8(<8 x i16> %in) nounwind{
+; CHECK: test_v8i16_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <8 x i16> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
+; From <4 x i32>
+
+define <2 x double> @test_v4i32_to_v2f64(<4 x i32> %in) nounwind {
+; CHECK: test_v4i32_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v4i32_to_v2i64(<4 x i32> %in) nounwind {
+; CHECK: test_v4i32_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v4i32_to_v4i32(<4 x i32> %in) nounwind {
+; CHECK: test_v4i32_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v4i32_to_v2f32(<4 x i32> %in) nounwind{
+; CHECK: test_v4i32_to_v2f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v4i32_to_v8i16(<4 x i32> %in) nounwind{
+; CHECK: test_v4i32_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v4i32_to_v16i8(<4 x i32> %in) nounwind{
+; CHECK: test_v4i32_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x i32> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
+; From <4 x float>
+
+define <2 x double> @test_v4f32_to_v2f64(<4 x float> %in) nounwind {
+; CHECK: test_v4f32_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v4f32_to_v2i64(<4 x float> %in) nounwind {
+; CHECK: test_v4f32_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v4f32_to_v4i32(<4 x float> %in) nounwind {
+; CHECK: test_v4f32_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v4f32_to_v4f32(<4 x float> %in) nounwind{
+; CHECK: test_v4f32_to_v4f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v4f32_to_v8i16(<4 x float> %in) nounwind{
+; CHECK: test_v4f32_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v4f32_to_v16i8(<4 x float> %in) nounwind{
+; CHECK: test_v4f32_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <4 x float> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
+; From <2 x i64>
+
+define <2 x double> @test_v2i64_to_v2f64(<2 x i64> %in) nounwind {
+; CHECK: test_v2i64_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v2i64_to_v2i64(<2 x i64> %in) nounwind {
+; CHECK: test_v2i64_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v2i64_to_v4i32(<2 x i64> %in) nounwind {
+; CHECK: test_v2i64_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v2i64_to_v4f32(<2 x i64> %in) nounwind{
+; CHECK: test_v2i64_to_v4f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v2i64_to_v8i16(<2 x i64> %in) nounwind{
+; CHECK: test_v2i64_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v2i64_to_v16i8(<2 x i64> %in) nounwind{
+; CHECK: test_v2i64_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x i64> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
+; From <2 x double>
+
+define <2 x double> @test_v2f64_to_v2f64(<2 x double> %in) nounwind {
+; CHECK: test_v2f64_to_v2f64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <2 x double>
+ ret <2 x double> %val
+}
+
+define <2 x i64> @test_v2f64_to_v2i64(<2 x double> %in) nounwind {
+; CHECK: test_v2f64_to_v2i64:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <2 x i64>
+ ret <2 x i64> %val
+}
+
+define <4 x i32> @test_v2f64_to_v4i32(<2 x double> %in) nounwind {
+; CHECK: test_v2f64_to_v4i32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <4 x i32>
+ ret <4 x i32> %val
+}
+
+define <4 x float> @test_v2f64_to_v4f32(<2 x double> %in) nounwind{
+; CHECK: test_v2f64_to_v4f32:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <4 x float>
+ ret <4 x float> %val
+}
+
+define <8 x i16> @test_v2f64_to_v8i16(<2 x double> %in) nounwind{
+; CHECK: test_v2f64_to_v8i16:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <8 x i16>
+ ret <8 x i16> %val
+}
+
+define <16 x i8> @test_v2f64_to_v16i8(<2 x double> %in) nounwind{
+; CHECK: test_v2f64_to_v16i8:
+; CHECK-NEXT: // BB#0:
+; CHECK-NEXT: ret
+
+ %val = bitcast <2 x double> %in to <16 x i8>
+ ret <16 x i8> %val
+}
+
generated by cgit v1.1 at 2025-08-04 21:22:17 +0000