; RUN: llc < %s -mtriple x86_64-apple-darwin11 -O0 -fast-isel-abort=1 | FileCheck %s %struct.x = type { i64, i64 } declare %struct.x @f() define void @test1(ptr) nounwind ssp { %2 = tail call %struct.x @f() nounwind %3 = extractvalue %struct.x %2, 0 %4 = add i64 %3, 10 store i64 %4, ptr %0 ret void ; CHECK-LABEL: test1: ; CHECK: callq _f ; CHECK-NOT: %rax ; CHECK: addq $10, %rax } define void @test2(ptr) nounwind ssp { %2 = tail call %struct.x @f() nounwind %3 = extractvalue %struct.x %2, 1 %4 = add i64 %3, 10 store i64 %4, ptr %0 ret void ; CHECK-LABEL: test2: ; CHECK: callq _f ; CHECK-NOT: %rdx ; CHECK: addq $10, %rdx } declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone define void @test3(i32 %x, i32 %y, ptr %z) { %r = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %x, i32 %y) %sum = extractvalue { i32, i1 } %r, 0 %sum3 = mul i32 %sum, 3 %bit = extractvalue { i32, i1 } %r, 1 br i1 %bit, label %then, label %end then: store i32 %sum3, ptr %z br label %end end: ret void ; CHECK: test3 ; CHECK: addl ; CHECK: seto %al ; CHECK: testb $1, %al }