1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/X86/h-register-addressing-64.ll b/test/CodeGen/X86/h-register-addressing-64.ll
new file mode 100644
index 0000000..b38e0e4
--- /dev/null
+++ b/test/CodeGen/X86/h-register-addressing-64.ll
@@ -0,0 +1,53 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {movzbl	%\[abcd\]h,} | count 7
+
+; Use h-register extract and zero-extend.
+
+define double @foo8(double* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 8
+  %t1 = and i64 %t0, 255
+  %t2 = getelementptr double* %p, i64 %t1
+  %t3 = load double* %t2, align 8
+  ret double %t3
+}
+define float @foo4(float* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 8
+  %t1 = and i64 %t0, 255
+  %t2 = getelementptr float* %p, i64 %t1
+  %t3 = load float* %t2, align 8
+  ret float %t3
+}
+define i16 @foo2(i16* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 8
+  %t1 = and i64 %t0, 255
+  %t2 = getelementptr i16* %p, i64 %t1
+  %t3 = load i16* %t2, align 8
+  ret i16 %t3
+}
+define i8 @foo1(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 8
+  %t1 = and i64 %t0, 255
+  %t2 = getelementptr i8* %p, i64 %t1
+  %t3 = load i8* %t2, align 8
+  ret i8 %t3
+}
+define i8 @bar8(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 5
+  %t1 = and i64 %t0, 2040
+  %t2 = getelementptr i8* %p, i64 %t1
+  %t3 = load i8* %t2, align 8
+  ret i8 %t3
+}
+define i8 @bar4(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 6
+  %t1 = and i64 %t0, 1020
+  %t2 = getelementptr i8* %p, i64 %t1
+  %t3 = load i8* %t2, align 8
+  ret i8 %t3
+}
+define i8 @bar2(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
+  %t0 = lshr i64 %x, 7
+  %t1 = and i64 %t0, 510
+  %t2 = getelementptr i8* %p, i64 %t1
+  %t3 = load i8* %t2, align 8
+  ret i8 %t3
+}