; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s ; Reported on D129765 define void @simplify_assertzext(ptr %0) { ; CHECK-LABEL: simplify_assertzext: ; CHECK: # %bb.0: # %BB ; CHECK-NEXT: movl $275047, %eax # imm = 0x43267 ; CHECK-NEXT: movb $1, %cl ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: .LBB0_1: # %CF246 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: testb %cl, %cl ; CHECK-NEXT: jne .LBB0_1 ; CHECK-NEXT: # %bb.2: # %CF260 ; CHECK-NEXT: orl $278403, %eax # imm = 0x43F83 ; CHECK-NEXT: movl %eax, (%rdi) ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: .LBB0_3: # %CF242 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: jmp .LBB0_3 BB: br label %CF246 CF246: ; preds = %CF246, %BB %Sl23 = select i1 true, i32 275047, i32 355835 %Cmp24 = fcmp ule float 0x3841668540000000, undef br i1 %Cmp24, label %CF246, label %CF260 CF260: ; preds = %CF246 %B29 = or i32 %Sl23, 278403 store i32 %B29, ptr %0, align 4 %L40 = load <4 x i1>, ptr %0, align 1 br label %CF242 CF242: ; preds = %CF242, %CF260 %Sl53 = select i1 undef, <4 x i1> %L40, <4 x i1> undef br label %CF242 }