1 files changed, 80 insertions, 0 deletions
diff --git a/test/CodeGen/X86/getelementptr.ll b/test/CodeGen/X86/getelementptr.ll
new file mode 100644
index 0000000..e260e7d
--- /dev/null
+++ b/test/CodeGen/X86/getelementptr.ll
@@ -0,0 +1,80 @@
+; RUN: llc < %s -O0 -march=x86
+; RUN: llc < %s -O0 -march=x86-64
+; RUN: llc < %s -O2 -march=x86
+; RUN: llc < %s -O2 -march=x86-64
+
+
+; Test big index trunc to pointer size:
+
+define i8* @test_trunc65(i8* %ptr) nounwind {
+; CHECK-LABEL: test_trunc65
+; CHECK: 3
+  %d = getelementptr i8, i8* %ptr, i65 18446744073709551619 ; 2^64 + 3
+  ret i8* %d
+}
+
+define i8* @test_trunc128(i8* %ptr) nounwind {
+; CHECK-LABEL: test_trunc128
+; CHECK: 5
+  %d = getelementptr i8, i8* %ptr, i128 18446744073709551621 ; 2^64 + 5
+  ret i8* %d
+}
+
+define i8* @test_trunc160(i8* %ptr) nounwind {
+; CHECK-LABEL: test_trunc160
+; CHECK: 8
+  %d = getelementptr i8, i8* %ptr, i160 18446744073709551624 ; 2^64 + 8
+  ret i8* %d
+}
+
+define i8* @test_trunc256(i8* %ptr) nounwind {
+; CHECK-LABEL: test_trunc256
+; CHECK: 13
+  %d = getelementptr i8, i8* %ptr, i256 18446744073709551629 ; 2^64 + 13
+  ret i8* %d
+}
+
+define i8* @test_trunc2048(i8* %ptr) nounwind {
+; CHECK-LABEL: test_trunc2048
+; CHECK: 21
+  %d = getelementptr i8, i8* %ptr, i2048 18446744073709551637 ; 2^64 + 21
+  ret i8* %d
+}
+
+
+; Test small index sext to pointer size
+
+define i8* @test_sext3(i8* %ptr) nounwind {
+; CHECK-LABEL: test_sext3
+; CHECK: -3
+  %d = getelementptr i8, i8* %ptr, i3 -3
+  ret i8* %d
+}
+
+define i8* @test_sext5(i8* %ptr) nounwind {
+; CHECK-LABEL: test_sext5
+; CHECK: -5
+  %d = getelementptr i8, i8* %ptr, i5 -5
+  ret i8* %d
+}
+
+define i8* @test_sext8(i8* %ptr) nounwind {
+; CHECK-LABEL: test_sext8
+; CHECK: -8
+  %d = getelementptr i8, i8* %ptr, i8 -8
+  ret i8* %d
+}
+
+define i8* @test_sext13(i8* %ptr) nounwind {
+; CHECK-LABEL: test_sext13
+; CHECK: -13
+  %d = getelementptr i8, i8* %ptr, i8 -13
+  ret i8* %d
+}
+
+define i8* @test_sext16(i8* %ptr) nounwind {
+; CHECK-LABEL: test_sext16
+; CHECK: -21
+  %d = getelementptr i8, i8* %ptr, i8 -21
+  ret i8* %d
+}