; RUN: llc < %s define i32 @test1(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %cmp = icmp sgt i32 %tmp, 1 %conv = zext i1 %cmp to i32 %conv1 = sext i32 %conv to i64 %expval = call i64 @llvm.expect.i64(i64 %conv1, i64 1) %tobool = icmp ne i64 %expval, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } declare i64 @llvm.expect.i64(i64, i64) nounwind readnone declare i32 @f(...) define i32 @test2(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %conv = sext i32 %tmp to i64 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1) %tobool = icmp ne i64 %expval, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } define i32 @test3(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %tobool = icmp ne i32 %tmp, 0 %lnot = xor i1 %tobool, true %lnot.ext = zext i1 %lnot to i32 %conv = sext i32 %lnot.ext to i64 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1) %tobool1 = icmp ne i64 %expval, 0 br i1 %tobool1, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } define i32 @test4(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %tobool = icmp ne i32 %tmp, 0 %lnot = xor i1 %tobool, true %lnot1 = xor i1 %lnot, true %lnot.ext = zext i1 %lnot1 to i32 %conv = sext i32 %lnot.ext to i64 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1) %tobool2 = icmp ne i64 %expval, 0 br i1 %tobool2, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } define i32 @test5(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %cmp = icmp slt i32 %tmp, 0 %conv = zext i1 %cmp to i32 %conv1 = sext i32 %conv to i64 %expval = call i64 @llvm.expect.i64(i64 %conv1, i64 0) %tobool = icmp ne i64 %expval, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } define i32 @test6(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %conv = sext i32 %tmp to i64 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1) switch i64 %expval, label %sw.epilog [ i64 1, label %sw.bb i64 2, label %sw.bb ] sw.bb: ; preds = %entry, %entry store i32 0, i32* %retval br label %return sw.epilog: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %sw.epilog, %sw.bb %0 = load i32, i32* %retval ret i32 %0 } define i32 @test7(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %conv = sext i32 %tmp to i64 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1) switch i64 %expval, label %sw.epilog [ i64 2, label %sw.bb i64 3, label %sw.bb ] sw.bb: ; preds = %entry, %entry %tmp1 = load i32, i32* %x.addr, align 4 store i32 %tmp1, i32* %retval br label %return sw.epilog: ; preds = %entry store i32 0, i32* %retval br label %return return: ; preds = %sw.epilog, %sw.bb %0 = load i32, i32* %retval ret i32 %0 } define i32 @test8(i32 %x) nounwind uwtable ssp { entry: %retval = alloca i32, align 4 %x.addr = alloca i32, align 4 store i32 %x, i32* %x.addr, align 4 %tmp = load i32, i32* %x.addr, align 4 %cmp = icmp sgt i32 %tmp, 1 %conv = zext i1 %cmp to i32 %expval = call i32 @llvm.expect.i32(i32 %conv, i32 1) %tobool = icmp ne i32 %expval, 0 br i1 %tobool, label %if.then, label %if.end if.then: ; preds = %entry %call = call i32 (...) @f() store i32 %call, i32* %retval br label %return if.end: ; preds = %entry store i32 1, i32* %retval br label %return return: ; preds = %if.end, %if.then %0 = load i32, i32* %retval ret i32 %0 } declare i32 @llvm.expect.i32(i32, i32) nounwind readnone