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-rw-r--r--test/CodeGen/arm64_vecCmpBr.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/test/CodeGen/arm64_vecCmpBr.c b/test/CodeGen/arm64_vecCmpBr.c
new file mode 100644
index 000000000000..3ae7433baed1
--- /dev/null
+++ b/test/CodeGen/arm64_vecCmpBr.c
@@ -0,0 +1,111 @@
+// RUN: %clang_cc1 -O3 -triple arm64-apple-ios7 -target-feature +neon -S -ffreestanding %s -o - -target-cpu cyclone | FileCheck %s
+// REQUIRES: aarch64-registered-target
+// test code generation for <rdar://problem/11487757>
+#include <arm_neon.h>
+
+unsigned bar();
+
+// Branch if any lane of V0 is zero; 64 bit => !min
+unsigned anyZero64(uint16x4_t a) {
+// CHECK: anyZero64:
+// CHECK: uminv.8b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: b {{_bar|bar}}
+ if (!vminv_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if any lane of V0 is zero; 128 bit => !min
+unsigned anyZero128(uint16x8_t a) {
+// CHECK: anyZero128:
+// CHECK: uminv.16b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: b {{_bar|bar}}
+ if (!vminvq_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if any lane of V0 is non-zero; 64 bit => max
+unsigned anyNonZero64(uint16x4_t a) {
+// CHECK: anyNonZero64:
+// CHECK: umaxv.8b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: movz w0, #0
+ if (vmaxv_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if any lane of V0 is non-zero; 128 bit => max
+unsigned anyNonZero128(uint16x8_t a) {
+// CHECK: anyNonZero128:
+// CHECK: umaxv.16b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: movz w0, #0
+ if (vmaxvq_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if all lanes of V0 are zero; 64 bit => !max
+unsigned allZero64(uint16x4_t a) {
+// CHECK: allZero64:
+// CHECK: umaxv.8b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: b {{_bar|bar}}
+ if (!vmaxv_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if all lanes of V0 are zero; 128 bit => !max
+unsigned allZero128(uint16x8_t a) {
+// CHECK: allZero128:
+// CHECK: umaxv.16b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: b {{_bar|bar}}
+ if (!vmaxvq_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if all lanes of V0 are non-zero; 64 bit => min
+unsigned allNonZero64(uint16x4_t a) {
+// CHECK: allNonZero64:
+// CHECK: uminv.8b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: movz w0, #0
+ if (vminv_u8(a))
+ return bar();
+ return 0;
+}
+
+// Branch if all lanes of V0 are non-zero; 128 bit => min
+unsigned allNonZero128(uint16x8_t a) {
+// CHECK: allNonZero128:
+// CHECK: uminv.16b b[[REGNO1:[0-9]+]], v0
+// CHECK-NEXT: fmov w[[REGNO2:[0-9]+]], s[[REGNO1]]
+// CHECK-NEXT: cbz w[[REGNO2]], [[LABEL:[.A-Z_0-9]+]]
+// CHECK: [[LABEL]]:
+// CHECK-NEXT: movz w0, #0
+ if (vminvq_u8(a))
+ return bar();
+ return 0;
+}
+