; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown < %s | FileCheck %s --check-prefix=X64 --check-prefix=X64-ALL ; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown --x86-lvi-load-no-cbranch < %s | FileCheck %s --check-prefix=X64 ; RUN: llc -O0 -verify-machineinstrs -mtriple=x86_64-unknown < %s | FileCheck %s --check-prefix=X64-NOOPT ; Function Attrs: noinline nounwind optnone uwtable define dso_local i32 @test(i32** %secret, i32 %secret_size) #0 { ; X64-LABEL: test: entry: %secret.addr = alloca i32**, align 8 %secret_size.addr = alloca i32, align 4 %ret_val = alloca i32, align 4 %i = alloca i32, align 4 store i32** %secret, i32*** %secret.addr, align 8 store i32 %secret_size, i32* %secret_size.addr, align 4 store i32 0, i32* %ret_val, align 4 call void @llvm.x86.sse2.lfence() store i32 0, i32* %i, align 4 br label %for.cond ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) ; X64-NEXT: movl %esi, -{{[0-9]+}}(%rsp) ; X64-NEXT: movl $0, -{{[0-9]+}}(%rsp) ; X64-NEXT: lfence ; X64-NEXT: movl $0, -{{[0-9]+}}(%rsp) ; X64-NEXT: jmp .LBB0_1 ; X64-NOOPT: # %bb.0: # %entry ; X64-NOOPT-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) ; X64-NOOPT-NEXT: movl %esi, -{{[0-9]+}}(%rsp) ; X64-NOOPT-NEXT: movl $0, -{{[0-9]+}}(%rsp) ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: movl $0, -{{[0-9]+}}(%rsp) for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %1 = load i32, i32* %secret_size.addr, align 4 %cmp = icmp slt i32 %0, %1 br i1 %cmp, label %for.body, label %for.end ; X64: .LBB0_1: # %for.cond ; X64-NEXT: # =>This Inner Loop Header: Depth=1 ; X64-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; X64-ALL-NEXT: lfence ; X64-NEXT: cmpl -{{[0-9]+}}(%rsp), %eax ; X64-ALL-NEXT: lfence ; X64-NEXT: jge .LBB0_5 ; X64-NOOPT: .LBB0_1: # %for.cond ; X64-NOOPT-NEXT: # =>This Inner Loop Header: Depth=1 ; X64-NOOPT-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: cmpl -{{[0-9]+}}(%rsp), %eax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: jge .LBB0_6 for.body: ; preds = %for.cond %2 = load i32, i32* %i, align 4 %rem = srem i32 %2, 2 %cmp1 = icmp eq i32 %rem, 0 br i1 %cmp1, label %if.then, label %if.end ; X64: # %bb.2: # %for.body ; X64-NEXT: # in Loop: Header=BB0_1 Depth=1 ; X64-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; X64-ALL-NEXT: lfence ; X64-NEXT: movl %eax, %ecx ; X64-NEXT: shrl $31, %ecx ; X64-NEXT: addl %eax, %ecx ; X64-NEXT: andl $-2, %ecx ; X64-NEXT: cmpl %ecx, %eax ; X64-NEXT: jne .LBB0_4 ; X64-NOOPT: # %bb.2: # %for.body ; X64-NOOPT-NEXT: # in Loop: Header=BB0_1 Depth=1 ; X64-NOOPT-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: cltd ; X64-NOOPT-NEXT: movl $2, %ecx ; X64-NOOPT-NEXT: idivl %ecx ; X64-NOOPT-NEXT: cmpl $0, %edx ; X64-NOOPT-NEXT: jne .LBB0_4 if.then: ; preds = %for.body %3 = load i32**, i32*** %secret.addr, align 8 %4 = load i32, i32* %ret_val, align 4 %idxprom = sext i32 %4 to i64 %arrayidx = getelementptr inbounds i32*, i32** %3, i64 %idxprom %5 = load i32*, i32** %arrayidx, align 8 %6 = load i32, i32* %5, align 4 store i32 %6, i32* %ret_val, align 4 br label %if.end ; X64: # %bb.3: # %if.then ; X64-NEXT: # in Loop: Header=BB0_1 Depth=1 ; X64-NEXT: movq -{{[0-9]+}}(%rsp), %rax ; X64-NEXT: lfence ; X64-NEXT: movslq -{{[0-9]+}}(%rsp), %rcx ; X64-NEXT: lfence ; X64-NEXT: movq (%rax,%rcx,8), %rax ; X64-NEXT: lfence ; X64-NEXT: movl (%rax), %eax ; X64-NEXT: movl %eax, -{{[0-9]+}}(%rsp) ; X64-NEXT: jmp .LBB0_4 ; X64-NOOPT: # %bb.3: # %if.then ; X64-NOOPT-NEXT: # in Loop: Header=BB0_1 Depth=1 ; X64-NOOPT-NEXT: movq -{{[0-9]+}}(%rsp), %rax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: movslq -{{[0-9]+}}(%rsp), %rcx ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: movq (%rax,%rcx,8), %rax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: movl (%rax), %edx ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: movl %edx, -{{[0-9]+}}(%rsp) if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %7 = load i32, i32* %i, align 4 %inc = add nsw i32 %7, 1 store i32 %inc, i32* %i, align 4 br label %for.cond ; X64-NOOPT: .LBB0_5: # %for.inc ; X64-NOOPT-NEXT: # in Loop: Header=BB0_1 Depth=1 ; X64-NOOPT-NEXT: movl -{{[0-9]+}}(%rsp), %eax ; X64-NOOPT-NEXT: lfence ; X64-NOOPT-NEXT: addl $1, %eax ; X64-NOOPT-NEXT: movl %eax, -{{[0-9]+}}(%rsp) ; X64-NOOPT-NEXT: jmp .LBB0_1 for.end: ; preds = %for.cond %8 = load i32, i32* %ret_val, align 4 ret i32 %8 } ; Function Attrs: nounwind declare void @llvm.x86.sse2.lfence() #1 attributes #0 = { "target-features"="+lvi-load-hardening" } attributes #1 = { nounwind }