; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s 2>&1 | FileCheck %s --check-prefix=X86ASM %struct.T = type { i32, i32 } define i32 @freeze_int() { ; X86ASM-LABEL: freeze_int: ; X86ASM: # %bb.0: ; X86ASM-NEXT: imull %eax, %eax ; X86ASM-NEXT: retq %y1 = freeze i32 undef %t1 = mul i32 %y1, %y1 ret i32 %t1 } define i5 @freeze_int2() { ; X86ASM-LABEL: freeze_int2: ; X86ASM: # %bb.0: ; X86ASM-NEXT: mulb %al ; X86ASM-NEXT: retq %y1 = freeze i5 undef %t1 = mul i5 %y1, %y1 ret i5 %t1 } define float @freeze_float() { ; X86ASM-LABEL: freeze_float: ; X86ASM: # %bb.0: ; X86ASM-NEXT: addss %xmm0, %xmm0 ; X86ASM-NEXT: retq %y1 = freeze float undef %t1 = fadd float %y1, %y1 ret float %t1 } define half @freeze_half() { ; X86ASM-LABEL: freeze_half: ; X86ASM: # %bb.0: ; X86ASM-NEXT: pushq %rax ; X86ASM-NEXT: .cfi_def_cfa_offset 16 ; X86ASM-NEXT: callq __extendhfsf2@PLT ; X86ASM-NEXT: addss %xmm0, %xmm0 ; X86ASM-NEXT: callq __truncsfhf2@PLT ; X86ASM-NEXT: popq %rax ; X86ASM-NEXT: .cfi_def_cfa_offset 8 ; X86ASM-NEXT: retq %y1 = freeze half undef %t1 = fadd half %y1, %y1 ret half %t1 } define <2 x i32> @freeze_ivec() { ; X86ASM-LABEL: freeze_ivec: ; X86ASM: # %bb.0: ; X86ASM-NEXT: paddd %xmm0, %xmm0 ; X86ASM-NEXT: retq %y1 = freeze <2 x i32> undef %t1 = add <2 x i32> %y1, %y1 ret <2 x i32> %t1 } define ptr @freeze_ptr() { ; X86ASM-LABEL: freeze_ptr: ; X86ASM: # %bb.0: ; X86ASM-NEXT: addq $4, %rax ; X86ASM-NEXT: retq %y1 = freeze ptr undef %t1 = getelementptr i8, ptr %y1, i64 4 ret ptr %t1 } define i32 @freeze_struct() { ; X86ASM-LABEL: freeze_struct: ; X86ASM: # %bb.0: ; X86ASM-NEXT: addl %eax, %eax ; X86ASM-NEXT: retq %y1 = freeze %struct.T undef %v1 = extractvalue %struct.T %y1, 0 %v2 = extractvalue %struct.T %y1, 1 %t1 = add i32 %v1, %v2 ret i32 %t1 } define i32 @freeze_anonstruct() { ; X86ASM-LABEL: freeze_anonstruct: ; X86ASM: # %bb.0: ; X86ASM-NEXT: addl %eax, %eax ; X86ASM-NEXT: retq %y1 = freeze {i32, i32} undef %v1 = extractvalue {i32, i32} %y1, 0 %v2 = extractvalue {i32, i32} %y1, 1 %t1 = add i32 %v1, %v2 ret i32 %t1 } define i32 @freeze_anonstruct2() { ; X86ASM-LABEL: freeze_anonstruct2: ; X86ASM: # %bb.0: ; X86ASM-NEXT: movzwl %ax, %eax ; X86ASM-NEXT: addl %eax, %eax ; X86ASM-NEXT: retq %y1 = freeze {i32, i16} undef %v1 = extractvalue {i32, i16} %y1, 0 %v2 = extractvalue {i32, i16} %y1, 1 %z2 = zext i16 %v2 to i32 %t1 = add i32 %v1, %z2 ret i32 %t1 } define i64 @freeze_array() { ; X86ASM-LABEL: freeze_array: ; X86ASM: # %bb.0: ; X86ASM-NEXT: addq %rax, %rax ; X86ASM-NEXT: retq %y1 = freeze [2 x i64] undef %v1 = extractvalue [2 x i64] %y1, 0 %v2 = extractvalue [2 x i64] %y1, 1 %t1 = add i64 %v1, %v2 ret i64 %t1 } ; Make sure we emit a movl to zext the input before the imulq. This previously ; failed because freeze was not listed in the instructions that don't zext their ; result in the def32 pattern X86InstrCompiler.td. define i32 @freeze_zext(i64 %a) nounwind { ; X86ASM-LABEL: freeze_zext: ; X86ASM: # %bb.0: # %entry ; X86ASM-NEXT: movq %rdi, %rax ; X86ASM-NEXT: movl %eax, %ecx ; X86ASM-NEXT: movl $3435973837, %edx # imm = 0xCCCCCCCD ; X86ASM-NEXT: imulq %rcx, %rdx ; X86ASM-NEXT: shrq $35, %rdx ; X86ASM-NEXT: addl %edx, %edx ; X86ASM-NEXT: leal (%rdx,%rdx,4), %ecx ; X86ASM-NEXT: subl %ecx, %eax ; X86ASM-NEXT: # kill: def $eax killed $eax killed $rax ; X86ASM-NEXT: retq entry: %x = trunc i64 %a to i32 %y = freeze i32 %x %z = urem i32 %y, 10 ret i32 %z } ; Make sure we don't crash when replacing all uses of N with an existing freeze N. define i64 @pr155345(ptr %p1, i1 %cond, ptr %p2, ptr %p3) { ; X86ASM-LABEL: pr155345: ; X86ASM: # %bb.0: # %entry ; X86ASM-NEXT: movzbl (%rdi), %edi ; X86ASM-NEXT: xorl %eax, %eax ; X86ASM-NEXT: orb $1, %dil ; X86ASM-NEXT: movb %dil, (%rdx) ; X86ASM-NEXT: movzbl %dil, %edx ; X86ASM-NEXT: cmovel %edx, %eax ; X86ASM-NEXT: sete %dil ; X86ASM-NEXT: testb $1, %sil ; X86ASM-NEXT: cmovnel %edx, %eax ; X86ASM-NEXT: movb %dl, (%rcx) ; X86ASM-NEXT: movl $1, %edx ; X86ASM-NEXT: movl %eax, %ecx ; X86ASM-NEXT: shlq %cl, %rdx ; X86ASM-NEXT: orb %sil, %dil ; X86ASM-NEXT: movzbl %dil, %eax ; X86ASM-NEXT: andl %edx, %eax ; X86ASM-NEXT: andl $1, %eax ; X86ASM-NEXT: retq entry: %load1 = load i8, ptr %p1, align 1 %v1 = or i8 %load1, 1 %v2 = zext i8 %v1 to i32 store i8 %v1, ptr %p2, align 1 %v3 = load i8, ptr %p2, align 1 %ext1 = sext i8 %v3 to i64 %ext2 = zext i32 %v2 to i64 %cmp1 = icmp ult i64 0, %ext1 %v4 = select i1 %cond, i1 false, i1 %cmp1 %sel1 = select i1 %v4, i64 0, i64 %ext2 %shl = shl i64 1, %sel1 store i8 %v1, ptr %p3, align 1 %v5 = load i8, ptr %p3, align 1 %ext3 = sext i8 %v5 to i64 %cmp2 = icmp ult i64 0, %ext3 %v6 = select i1 %cond, i1 false, i1 %cmp2 %sel2 = select i1 %v6, i64 0, i64 1 %and = and i64 %sel2, %shl ret i64 %and }