| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: llc %s -o - -enable-shrink-wrap=true | FileCheck --check-prefix=SHRINK-WRAP %s |
| ; RUN: llc %s -o - -enable-shrink-wrap=false | FileCheck --check-prefix=NO-SHRINK-WRAP %s |
| target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" |
| target triple = "i686-pc-windows-msvc18.0.0" |
| |
| %struct.S = type { i32 } |
| |
| ; Check that we do not use a basic block that has EFLAGS as live-in |
| ; if we need to realign the stack. |
| define x86_thiscallcc void @stackRealignment(ptr %this) { |
| ; SHRINK-WRAP-LABEL: stackRealignment: |
| ; SHRINK-WRAP: # %bb.0: # %entry |
| ; SHRINK-WRAP-NEXT: movl (%ecx), %eax |
| ; SHRINK-WRAP-NEXT: cmpl $33, %eax |
| ; SHRINK-WRAP-NEXT: movl $42, %edx |
| ; SHRINK-WRAP-NEXT: jge LBB0_2 |
| ; SHRINK-WRAP-NEXT: # %bb.1: # %entry |
| ; SHRINK-WRAP-NEXT: movl $128, %edx |
| ; SHRINK-WRAP-NEXT: LBB0_2: # %entry |
| ; SHRINK-WRAP-NEXT: pushl %ebp |
| ; SHRINK-WRAP-NEXT: movl %esp, %ebp |
| ; SHRINK-WRAP-NEXT: andl $-8, %esp |
| ; SHRINK-WRAP-NEXT: subl $16, %esp |
| ; SHRINK-WRAP-NEXT: movl %edx, {{[0-9]+}}(%esp) |
| ; SHRINK-WRAP-NEXT: cmpl $32, %eax |
| ; SHRINK-WRAP-NEXT: jl LBB0_4 |
| ; SHRINK-WRAP-NEXT: # %bb.3: # %if.end |
| ; SHRINK-WRAP-NEXT: leal {{[0-9]+}}(%esp), %eax |
| ; SHRINK-WRAP-NEXT: leal {{[0-9]+}}(%esp), %edx |
| ; SHRINK-WRAP-NEXT: pushl %eax |
| ; SHRINK-WRAP-NEXT: pushl %edx |
| ; SHRINK-WRAP-NEXT: calll _bar |
| ; SHRINK-WRAP-NEXT: LBB0_4: # %cleanup |
| ; SHRINK-WRAP-NEXT: movl %ebp, %esp |
| ; SHRINK-WRAP-NEXT: popl %ebp |
| ; SHRINK-WRAP-NEXT: retl |
| ; |
| ; NO-SHRINK-WRAP-LABEL: stackRealignment: |
| ; NO-SHRINK-WRAP: # %bb.0: # %entry |
| ; NO-SHRINK-WRAP-NEXT: pushl %ebp |
| ; NO-SHRINK-WRAP-NEXT: movl %esp, %ebp |
| ; NO-SHRINK-WRAP-NEXT: andl $-8, %esp |
| ; NO-SHRINK-WRAP-NEXT: subl $16, %esp |
| ; NO-SHRINK-WRAP-NEXT: movl (%ecx), %eax |
| ; NO-SHRINK-WRAP-NEXT: cmpl $33, %eax |
| ; NO-SHRINK-WRAP-NEXT: movl $42, %edx |
| ; NO-SHRINK-WRAP-NEXT: jge LBB0_2 |
| ; NO-SHRINK-WRAP-NEXT: # %bb.1: # %entry |
| ; NO-SHRINK-WRAP-NEXT: movl $128, %edx |
| ; NO-SHRINK-WRAP-NEXT: LBB0_2: # %entry |
| ; NO-SHRINK-WRAP-NEXT: movl %edx, {{[0-9]+}}(%esp) |
| ; NO-SHRINK-WRAP-NEXT: cmpl $32, %eax |
| ; NO-SHRINK-WRAP-NEXT: jl LBB0_4 |
| ; NO-SHRINK-WRAP-NEXT: # %bb.3: # %if.end |
| ; NO-SHRINK-WRAP-NEXT: leal {{[0-9]+}}(%esp), %eax |
| ; NO-SHRINK-WRAP-NEXT: leal {{[0-9]+}}(%esp), %edx |
| ; NO-SHRINK-WRAP-NEXT: pushl %eax |
| ; NO-SHRINK-WRAP-NEXT: pushl %edx |
| ; NO-SHRINK-WRAP-NEXT: calll _bar |
| ; NO-SHRINK-WRAP-NEXT: LBB0_4: # %cleanup |
| ; NO-SHRINK-WRAP-NEXT: movl %ebp, %esp |
| ; NO-SHRINK-WRAP-NEXT: popl %ebp |
| ; NO-SHRINK-WRAP-NEXT: retl |
| entry: |
| %data = alloca [1 x i32], align 4 |
| %d = alloca double, align 8 |
| %tmp1 = load i32, ptr %this, align 4 |
| %cmp = icmp sgt i32 %tmp1, 32 |
| %cond = select i1 %cmp, i32 42, i32 128 |
| store i32 %cond, ptr %data, align 4 |
| %cmp3 = icmp slt i32 %tmp1, 32 |
| br i1 %cmp3, label %cleanup, label %if.end |
| |
| if.end: ; preds = %entry |
| call x86_thiscallcc void @bar(ptr nonnull %this, ptr %data, ptr nonnull %d) |
| br label %cleanup |
| |
| cleanup: ; preds = %if.end, %entry |
| ret void |
| } |
| |
| ; Function Attrs: optsize |
| declare x86_thiscallcc void @bar(ptr, ptr, ptr) |