; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s define void @test_phi_diff_size(i1 %c) sspstrong { ; CHECK-LABEL: test_phi_diff_size: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: subq $24, %rsp ; CHECK-NEXT: .cfi_def_cfa_offset 32 ; CHECK-NEXT: movq %fs:40, %rax ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; CHECK-NEXT: testb $1, %dil ; CHECK-NEXT: je .LBB0_1 ; CHECK-NEXT: # %bb.2: # %if ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: jmp .LBB0_3 ; CHECK-NEXT: .LBB0_1: ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: .LBB0_3: # %join ; CHECK-NEXT: movq $0, (%rax) ; CHECK-NEXT: movq %fs:40, %rax ; CHECK-NEXT: cmpq {{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: jne .LBB0_5 ; CHECK-NEXT: # %bb.4: # %SP_return ; CHECK-NEXT: addq $24, %rsp ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: retq ; CHECK-NEXT: .LBB0_5: # %CallStackCheckFailBlk ; CHECK-NEXT: .cfi_def_cfa_offset 32 ; CHECK-NEXT: callq __stack_chk_fail@PLT entry: %a = alloca i64 br i1 %c, label %if, label %join if: %gep = getelementptr i8, ptr %a, i64 4 br label %join join: %phi = phi ptr [ %a, %entry ], [ %gep, %if ] store i64 0, ptr %phi ret void } define void @test_phi_loop(i1 %c) sspstrong { ; CHECK-LABEL: test_phi_loop: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset %rbp, -16 ; CHECK-NEXT: movq %rsp, %rbp ; CHECK-NEXT: .cfi_def_cfa_register %rbp ; CHECK-NEXT: andq $-131072, %rsp # imm = 0xFFFE0000 ; CHECK-NEXT: subq $262144, %rsp # imm = 0x40000 ; CHECK-NEXT: movq %fs:40, %rax ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rsp, %rax ; CHECK-NEXT: .p2align 4 ; CHECK-NEXT: .LBB1_1: # %loop ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq $0, (%rax) ; CHECK-NEXT: addq $4, %rax ; CHECK-NEXT: testb $1, %dil ; CHECK-NEXT: jne .LBB1_1 ; CHECK-NEXT: # %bb.2: # %exit ; CHECK-NEXT: movq %fs:40, %rax ; CHECK-NEXT: cmpq {{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: jne .LBB1_4 ; CHECK-NEXT: # %bb.3: # %SP_return ; CHECK-NEXT: movq %rbp, %rsp ; CHECK-NEXT: popq %rbp ; CHECK-NEXT: .cfi_def_cfa %rsp, 8 ; CHECK-NEXT: retq ; CHECK-NEXT: .LBB1_4: # %CallStackCheckFailBlk ; CHECK-NEXT: .cfi_def_cfa %rbp, 16 ; CHECK-NEXT: callq __stack_chk_fail@PLT entry: %a = alloca <10000 x i64> br label %loop loop: %phi = phi ptr [ %a, %entry ], [ %gep, %loop ] store i64 0, ptr %phi %gep = getelementptr i8, ptr %phi, i64 4 br i1 %c, label %loop, label %exit exit: ret void }