| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -fast-isel-sink-local-values < %s -fast-isel -mtriple=i686-unknown-unknown -O0 -mcpu=skx | FileCheck %s |
| |
| define i32 @_Z3foov() { |
| ; CHECK-LABEL: _Z3foov: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: subl $16, %esp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 20 |
| ; CHECK-NEXT: movw $10959, {{[0-9]+}}(%esp) # imm = 0x2ACF |
| ; CHECK-NEXT: movw $-15498, {{[0-9]+}}(%esp) # imm = 0xC376 |
| ; CHECK-NEXT: movw $19417, {{[0-9]+}}(%esp) # imm = 0x4BD9 |
| ; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: cmpw $0, {{[0-9]+}}(%esp) |
| ; CHECK-NEXT: movb $1, %cl |
| ; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) # 4-byte Spill |
| ; CHECK-NEXT: movb %cl, {{[0-9]+}}(%esp) # 1-byte Spill |
| ; CHECK-NEXT: jne .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %lor.rhs |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: movb %al, %cl |
| ; CHECK-NEXT: movb %cl, {{[0-9]+}}(%esp) # 1-byte Spill |
| ; CHECK-NEXT: jmp .LBB0_2 |
| ; CHECK-NEXT: .LBB0_2: # %lor.end |
| ; CHECK-NEXT: movb {{[0-9]+}}(%esp), %al # 1-byte Reload |
| ; CHECK-NEXT: andb $1, %al |
| ; CHECK-NEXT: movzbl %al, %ecx |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx # 4-byte Reload |
| ; CHECK-NEXT: cmpl %ecx, %edx |
| ; CHECK-NEXT: setl %al |
| ; CHECK-NEXT: andb $1, %al |
| ; CHECK-NEXT: movzbl %al, %ecx |
| ; CHECK-NEXT: xorl $-1, %ecx |
| ; CHECK-NEXT: cmpl $0, %ecx |
| ; CHECK-NEXT: movb $1, %al |
| ; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp) # 1-byte Spill |
| ; CHECK-NEXT: jne .LBB0_4 |
| ; CHECK-NEXT: # %bb.3: # %lor.rhs4 |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: movb %al, %cl |
| ; CHECK-NEXT: movb %cl, {{[0-9]+}}(%esp) # 1-byte Spill |
| ; CHECK-NEXT: jmp .LBB0_4 |
| ; CHECK-NEXT: .LBB0_4: # %lor.end5 |
| ; CHECK-NEXT: movb {{[0-9]+}}(%esp), %al # 1-byte Reload |
| ; CHECK-NEXT: andb $1, %al |
| ; CHECK-NEXT: movzbl %al, %ecx |
| ; CHECK-NEXT: movw %cx, %dx |
| ; CHECK-NEXT: movw %dx, {{[0-9]+}}(%esp) |
| ; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: addl $16, %esp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 4 |
| ; CHECK-NEXT: retl |
| entry: |
| %aa = alloca i16, align 2 |
| %bb = alloca i16, align 2 |
| %cc = alloca i16, align 2 |
| store i16 10959, i16* %aa, align 2 |
| store i16 -15498, i16* %bb, align 2 |
| store i16 19417, i16* %cc, align 2 |
| %0 = load i16, i16* %aa, align 2 |
| %conv = zext i16 %0 to i32 |
| %1 = load i16, i16* %cc, align 2 |
| %tobool = icmp ne i16 %1, 0 |
| br i1 %tobool, label %lor.end, label %lor.rhs |
| |
| lor.rhs: ; preds = %entry |
| br label %lor.end |
| |
| lor.end: ; preds = %lor.rhs, %entry |
| %2 = phi i1 [ true, %entry ], [ false, %lor.rhs ] |
| %conv1 = zext i1 %2 to i32 |
| %cmp = icmp slt i32 %conv, %conv1 |
| %conv2 = zext i1 %cmp to i32 |
| %neg = xor i32 %conv2, -1 |
| %tobool3 = icmp ne i32 %neg, 0 |
| br i1 %tobool3, label %lor.end5, label %lor.rhs4 |
| |
| lor.rhs4: ; preds = %lor.end |
| br label %lor.end5 |
| |
| lor.end5: ; preds = %lor.rhs4, %lor.end |
| %3 = phi i1 [ true, %lor.end ], [ false, %lor.rhs4 ] |
| %conv6 = zext i1 %3 to i16 |
| store i16 %conv6, i16* %bb, align 2 |
| %4 = load i16, i16* %bb, align 2 |
| %conv7 = zext i16 %4 to i32 |
| ret i32 %conv7 |
| } |