1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s 3 4; We should be able to bypass the load values to their corresponding 5; stores here. 6 7define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d) { 8; CHECK-LABEL: foo: 9; CHECK: # %bb.0: # %entry 10; CHECK-NEXT: # kill: def $ecx killed $ecx def $rcx 11; CHECK-NEXT: # kill: def $edx killed $edx def $rdx 12; CHECK-NEXT: # kill: def $esi killed $esi def $rsi 13; CHECK-NEXT: # kill: def $edi killed $edi def $rdi 14; CHECK-NEXT: movl %esi, -{{[0-9]+}}(%rsp) 15; CHECK-NEXT: movl %ecx, -{{[0-9]+}}(%rsp) 16; CHECK-NEXT: movl %edi, -{{[0-9]+}}(%rsp) 17; CHECK-NEXT: movl %edx, -{{[0-9]+}}(%rsp) 18; CHECK-NEXT: addl %edi, %esi 19; CHECK-NEXT: leal (%rdx,%rcx), %eax 20; CHECK-NEXT: addl %esi, %eax 21; CHECK-NEXT: retq 22entry: 23 %a0 = alloca i32 24 %a1 = alloca i32 25 %a2 = alloca i32 26 %a3 = alloca i32 27 store i32 %b, ptr %a1 28 store i32 %d, ptr %a3 29 store i32 %a, ptr %a0 30 store i32 %c, ptr %a2 31 %l0 = load i32, ptr %a0 32 %l1 = load i32, ptr %a1 33 %l2 = load i32, ptr %a2 34 %l3 = load i32, ptr %a3 35 %add0 = add nsw i32 %l0, %l1 36 %add1 = add nsw i32 %add0, %l2 37 %add2 = add nsw i32 %add1, %l3 38 ret i32 %add2 39} 40