Vendor import of llvm trunk r132879:

http://llvm.org/svn/llvm-project/llvm/trunk@132879

1 files changed, 48 insertions, 0 deletions

diff --git a/test/CodeGen/X86/fast-isel-extract.ll b/test/CodeGen/X86/fast-isel-extract.ll
new file mode 100644
index 0000000..f63396e
--- /dev/null
+++ b/test/CodeGen/X86/fast-isel-extract.ll
@@ -0,0 +1,48 @@
+; RUN: llc < %s -mtriple x86_64-apple-darwin11 -O0 -fast-isel-abort | FileCheck %s
+
+%struct.x = type { i64, i64 }
+%addovf = type { i32, i1 }
+declare %struct.x @f()
+
+define void @test1(i64*) nounwind ssp {
+  %2 = tail call %struct.x @f() nounwind
+  %3 = extractvalue %struct.x %2, 0
+  %4 = add i64 %3, 10
+  store i64 %4, i64* %0
+  ret void
+; CHECK: test1:
+; CHECK: callq _f
+; CHECK-NEXT: addq	$10, %rax
+}
+
+define void @test2(i64*) nounwind ssp {
+  %2 = tail call %struct.x @f() nounwind
+  %3 = extractvalue %struct.x %2, 1
+  %4 = add i64 %3, 10
+  store i64 %4, i64* %0
+  ret void
+; CHECK: test2:
+; CHECK: callq _f
+; CHECK-NEXT: addq	$10, %rdx
+}
+
+declare %addovf @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
+
+define void @test3(i32 %x, i32 %y, i32* %z) {
+  %r = call %addovf @llvm.sadd.with.overflow.i32(i32 %x, i32 %y)
+  %sum = extractvalue %addovf %r, 0
+  %sum3 = mul i32 %sum, 3
+  %bit = extractvalue %addovf %r, 1
+  br i1 %bit, label %then, label %end
+  
+then:
+  store i32 %sum3, i32* %z
+  br label %end
+
+end:
+  ret void
+; CHECK: test3
+; CHECK: addl
+; CHECK: seto %al
+; CHECK: testb $1, %al
+}