Index: llvm/lib/Target/X86/X86ISelLowering.cpp =================================================================== --- llvm/lib/Target/X86/X86ISelLowering.cpp +++ llvm/lib/Target/X86/X86ISelLowering.cpp @@ -32215,7 +32215,7 @@ BuildMI(testMBB, DL, TII->get(X86::JCC_1)) .addMBB(tailMBB) - .addImm(X86::COND_L); + .addImm(X86::COND_LE); testMBB->addSuccessor(blockMBB); testMBB->addSuccessor(tailMBB); Index: llvm/test/CodeGen/X86/stack-clash-dynamic-alloca.ll =================================================================== --- llvm/test/CodeGen/X86/stack-clash-dynamic-alloca.ll +++ llvm/test/CodeGen/X86/stack-clash-dynamic-alloca.ll @@ -24,12 +24,12 @@ ; CHECK-X86-64-NEXT: andq $-16, %rcx ; CHECK-X86-64-NEXT: subq %rcx, %rax ; CHECK-X86-64-NEXT: cmpq %rsp, %rax -; CHECK-X86-64-NEXT: jl .LBB0_3 +; CHECK-X86-64-NEXT: jle .LBB0_3 ; CHECK-X86-64-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1 ; CHECK-X86-64-NEXT: movq $0, (%rsp) ; CHECK-X86-64-NEXT: subq $4096, %rsp # imm = 0x1000 ; CHECK-X86-64-NEXT: cmpq %rsp, %rax -; CHECK-X86-64-NEXT: jge .LBB0_2 +; CHECK-X86-64-NEXT: jg .LBB0_2 ; CHECK-X86-64-NEXT: .LBB0_3: ; CHECK-X86-64-NEXT: movq %rax, %rsp ; CHECK-X86-64-NEXT: movl $1, 4792(%rax) @@ -54,12 +54,12 @@ ; CHECK-X86-32-NEXT: andl $-16, %ecx ; CHECK-X86-32-NEXT: subl %ecx, %eax ; CHECK-X86-32-NEXT: cmpl %esp, %eax -; CHECK-X86-32-NEXT: jl .LBB0_3 +; CHECK-X86-32-NEXT: jle .LBB0_3 ; CHECK-X86-32-NEXT: .LBB0_2: # =>This Inner Loop Header: Depth=1 ; CHECK-X86-32-NEXT: movl $0, (%esp) ; CHECK-X86-32-NEXT: subl $4096, %esp # imm = 0x1000 ; CHECK-X86-32-NEXT: cmpl %esp, %eax -; CHECK-X86-32-NEXT: jge .LBB0_2 +; CHECK-X86-32-NEXT: jg .LBB0_2 ; CHECK-X86-32-NEXT: .LBB0_3: ; CHECK-X86-32-NEXT: movl %eax, %esp ; CHECK-X86-32-NEXT: movl $1, 4792(%eax)