; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -O1 -S < %s | FileCheck %s ; RUN: opt -O2 -S < %s | FileCheck %s ; RUN: opt -O3 -S < %s | FileCheck %s ; srem should be folded based on branch conditions ; This can be done by IPSCCP or CVP. define i32 @PR57472(i32 noundef %x) { ; CHECK-LABEL: @PR57472( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 ; CHECK-NEXT: [[REM:%.*]] = and i32 [[X]], 15 ; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[CMP]], i32 [[REM]], i32 42 ; CHECK-NEXT: ret i32 [[SPEC_SELECT]] ; entry: %x.addr = alloca i32, align 4 store i32 %x, ptr %x.addr, align 4 %0 = load i32, ptr %x.addr, align 4 %cmp = icmp sge i32 %0, 0 br i1 %cmp, label %cond.true, label %cond.false cond.true: %1 = load i32, ptr %x.addr, align 4 %rem = srem i32 %1, 16 br label %cond.end cond.false: br label %cond.end cond.end: %cond = phi i32 [ %rem, %cond.true ], [ 42, %cond.false ] ret i32 %cond }