| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -codegenprepare -S -mtriple=x86_64-linux < %s | FileCheck %s |
| |
| define i32 @test1(i8* %d) nounwind { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[L:%.*]] = load i8, i8* [[D:%.*]], align 1 |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i8 [[L]], 0 |
| ; CHECK-NEXT: [[CONV:%.*]] = zext i1 [[TMP0]] to i32 |
| ; CHECK-NEXT: ret i32 [[CONV]] |
| ; |
| entry: |
| %l = load i8, i8* %d |
| %cmp = icmp eq i8 %l, 0 |
| br i1 %cmp, label %exit, label %if.end |
| |
| if.end: |
| %gep = getelementptr i8, i8* %d, i32 42 |
| %call = call i64 @foo(i8* %gep) nounwind readonly willreturn |
| %cmp2 = icmp ne i64 %call, 0 |
| call void @llvm.assume(i1 %cmp2) |
| br label %exit |
| |
| exit: |
| %conv = zext i1 %cmp to i32 |
| ret i32 %conv |
| } |
| |
| declare i64 @foo(i8*) nounwind readonly willreturn |
| declare void @llvm.assume(i1 noundef) nounwind willreturn |
